Growing community of inventors

Tokyo, Japan

Masaaki Yamada

Average Co-Inventor Count = 3.99

ph-index = 15

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,234

Masaaki YamadaYoshinori Nakagawa (22 patents)Masaaki YamadaHideki Kosugi (20 patents)Masaaki YamadaTomoko Takahashi (18 patents)Masaaki YamadaYasuyuki Ishii (18 patents)Masaaki YamadaIchiro Kadota (12 patents)Masaaki YamadaMutsunori Igarashi (11 patents)Masaaki YamadaAtsushi Kurokawa (8 patents)Masaaki YamadaMasanori Horike (8 patents)Masaaki YamadaMasami Murakata (8 patents)Masaaki YamadaYoshiko Ogawa (7 patents)Masaaki YamadaYasushi Nakazato (6 patents)Masaaki YamadaShuji Hirai (6 patents)Masaaki YamadaNobuaki Kondoh (6 patents)Masaaki YamadaKatsuaki Miyawaki (5 patents)Masaaki YamadaNekka Matsuura (5 patents)Masaaki YamadaOsamu Satoh (5 patents)Masaaki YamadaTetsuro Hirota (5 patents)Masaaki YamadaTakashi Mitsuhashi (5 patents)Masaaki YamadaFumihiro Minami (5 patents)Masaaki YamadaTakashi Ishioka (5 patents)Masaaki YamadaSatoshi Ouchi (4 patents)Masaaki YamadaTakashi Seto (4 patents)Masaaki YamadaHisashi Shoji (4 patents)Masaaki YamadaHideyasu Seki (4 patents)Masaaki YamadaHideki Takeuchi (4 patents)Masaaki YamadaAkira Azami (4 patents)Masaaki YamadaYuuji Ishikura (4 patents)Masaaki YamadaYuji Ishikura (4 patents)Masaaki YamadaKoji Hashimoto (3 patents)Masaaki YamadaTakeo Tsukamoto (3 patents)Masaaki YamadaYasunobu Shimizu (3 patents)Masaaki YamadaYoshiyuki Fukuda (3 patents)Masaaki YamadaYusaku Katsube (3 patents)Masaaki YamadaKei Saito (3 patents)Masaaki YamadaTakahiro Aoki (3 patents)Masaaki YamadaYoshiharu Kishi (3 patents)Masaaki YamadaAtsuhiko Ikeuchi (3 patents)Masaaki YamadaJunichi Takahashi (3 patents)Masaaki YamadaReiko Nojima (3 patents)Masaaki YamadaMakoto Takashima (3 patents)Masaaki YamadaToshihiro Akiyama (3 patents)Masaaki YamadaJunichi Matsumoto (2 patents)Masaaki YamadaToshio Koike (2 patents)Masaaki YamadaKatsuhiro Aoki (2 patents)Masaaki YamadaYuki Oshikawa (2 patents)Masaaki YamadaYoshihiro Fujiwara (2 patents)Masaaki YamadaSeiji Hoshino (2 patents)Masaaki YamadaToshihito Habuka (2 patents)Masaaki YamadaFumihito Yamaguchi (2 patents)Masaaki YamadaHiroshi Takahashi (1 patent)Masaaki YamadaKazumi Suzuki (1 patent)Masaaki YamadaToshiya Suzuki (79 patents)Masaaki YamadaNoriyuki Kimura (2 patents)Masaaki YamadaMitsuhiro Kitani (2 patents)Masaaki YamadaMasayuki Yamane (1 patent)Masaaki YamadaYutaka Takahashi (1 patent)Masaaki YamadaKakuji Murakami (1 patent)Masaaki YamadaShin Kayahara (1 patent)Masaaki YamadaMasanori Saitoh (1 patent)Masaaki YamadaHideki Zemba (1 patent)Masaaki YamadaTomoya Ohmura (1 patent)Masaaki YamadaYuuki Satoh (1 patent)Masaaki YamadaToshihiro Kanematsu (1 patent)Masaaki YamadaEiichi Ohta (1 patent)Masaaki YamadaHideto Iwamoto (1 patent)Masaaki YamadaHiroaki Okamoto (1 patent)Masaaki YamadaToshiyuki Furusawa (1 patent)Masaaki YamadaTakeo Yamaguchi (1 patent)Masaaki YamadaKeinosuke Kondoh (1 patent)Masaaki YamadaKenichi Shibata (1 patent)Masaaki YamadaMasahiro Kanazawa (1 patent)Masaaki YamadaTakeshi Kitahara (1 patent)Masaaki YamadaKazutaka Otsuki (1 patent)Masaaki YamadaMutsuki Morinaga (1 patent)Masaaki YamadaAkio Kutsuwada (1 patent)Masaaki YamadaNaoyuki Kawabe (1 patent)Masaaki YamadaTakashi Nakahira (1 patent)Masaaki YamadaYoshikazu Sugiyama (1 patent)Masaaki YamadaTakeshi Iijima (1 patent)Masaaki YamadaKentaro Mikuniya (1 patent)Masaaki YamadaTaku Takaki (1 patent)Masaaki YamadaKatsuhiro Seta (1 patent)Masaaki YamadaSotohiro Tsujihara (1 patent)Masaaki YamadaOsamu Makino (6 patents)Masaaki YamadaYohichiroh Miyaguchi (1 patent)Masaaki YamadaMototaka Kuribayashi (1 patent)Masaaki YamadaShin Kawabe (5 patents)Masaaki YamadaNaohito Kojima (1 patent)Masaaki YamadaTaiji Sawaki (2 patents)Masaaki YamadaMasayuki Minami (2 patents)Masaaki YamadaYouichiroh Miyaguchi (1 patent)Masaaki YamadaShiro Ikeda (2 patents)Masaaki YamadaTakeharu Kondo (2 patents)Masaaki YamadaMasafumi Oguri (1 patent)Masaaki YamadaYuhei Niwa (1 patent)Masaaki YamadaIchiroh Kadota (1 patent)Masaaki YamadaKengo Yoshida (1 patent)Masaaki YamadaKoichi Nanno (1 patent)Masaaki YamadaShinya Itagaki (1 patent)Masaaki YamadaRio Sato (1 patent)Masaaki YamadaMasaaki Yamada (65 patents)Yoshinori NakagawaYoshinori Nakagawa (135 patents)Hideki KosugiHideki Kosugi (54 patents)Tomoko TakahashiTomoko Takahashi (65 patents)Yasuyuki IshiiYasuyuki Ishii (54 patents)Ichiro KadotaIchiro Kadota (37 patents)Mutsunori IgarashiMutsunori Igarashi (22 patents)Atsushi KurokawaAtsushi Kurokawa (78 patents)Masanori HorikeMasanori Horike (71 patents)Masami MurakataMasami Murakata (12 patents)Yoshiko OgawaYoshiko Ogawa (17 patents)Yasushi NakazatoYasushi Nakazato (88 patents)Shuji HiraiShuji Hirai (60 patents)Nobuaki KondohNobuaki Kondoh (21 patents)Katsuaki MiyawakiKatsuaki Miyawaki (59 patents)Nekka MatsuuraNekka Matsuura (55 patents)Osamu SatohOsamu Satoh (43 patents)Tetsuro HirotaTetsuro Hirota (35 patents)Takashi MitsuhashiTakashi Mitsuhashi (28 patents)Fumihiro MinamiFumihiro Minami (28 patents)Takashi IshiokaTakashi Ishioka (7 patents)Satoshi OuchiSatoshi Ouchi (104 patents)Takashi SetoTakashi Seto (83 patents)Hisashi ShojiHisashi Shoji (35 patents)Hideyasu SekiHideyasu Seki (24 patents)Hideki TakeuchiHideki Takeuchi (23 patents)Akira AzamiAkira Azami (21 patents)Yuuji IshikuraYuuji Ishikura (12 patents)Yuji IshikuraYuji Ishikura (4 patents)Koji HashimotoKoji Hashimoto (196 patents)Takeo TsukamotoTakeo Tsukamoto (165 patents)Yasunobu ShimizuYasunobu Shimizu (73 patents)Yoshiyuki FukudaYoshiyuki Fukuda (29 patents)Yusaku KatsubeYusaku Katsube (27 patents)Kei SaitoKei Saito (15 patents)Takahiro AokiTakahiro Aoki (13 patents)Yoshiharu KishiYoshiharu Kishi (11 patents)Atsuhiko IkeuchiAtsuhiko Ikeuchi (8 patents)Junichi TakahashiJunichi Takahashi (6 patents)Reiko NojimaReiko Nojima (5 patents)Makoto TakashimaMakoto Takashima (3 patents)Toshihiro AkiyamaToshihiro Akiyama (3 patents)Junichi MatsumotoJunichi Matsumoto (134 patents)Toshio KoikeToshio Koike (85 patents)Katsuhiro AokiKatsuhiro Aoki (38 patents)Yuki OshikawaYuki Oshikawa (37 patents)Yoshihiro FujiwaraYoshihiro Fujiwara (36 patents)Seiji HoshinoSeiji Hoshino (29 patents)Toshihito HabukaToshihito Habuka (6 patents)Fumihito YamaguchiFumihito Yamaguchi (2 patents)Hiroshi TakahashiHiroshi Takahashi (224 patents)Kazumi SuzukiKazumi Suzuki (81 patents)Toshiya SuzukiToshiya Suzuki (79 patents)Noriyuki KimuraNoriyuki Kimura (52 patents)Mitsuhiro KitaniMitsuhiro Kitani (26 patents)Masayuki YamaneMasayuki Yamane (78 patents)Yutaka TakahashiYutaka Takahashi (56 patents)Kakuji MurakamiKakuji Murakami (45 patents)Shin KayaharaShin Kayahara (38 patents)Masanori SaitohMasanori Saitoh (37 patents)Hideki ZembaHideki Zemba (34 patents)Tomoya OhmuraTomoya Ohmura (27 patents)Yuuki SatohYuuki Satoh (26 patents)Toshihiro KanematsuToshihiro Kanematsu (26 patents)Eiichi OhtaEiichi Ohta (24 patents)Hideto IwamotoHideto Iwamoto (23 patents)Hiroaki OkamotoHiroaki Okamoto (21 patents)Toshiyuki FurusawaToshiyuki Furusawa (19 patents)Takeo YamaguchiTakeo Yamaguchi (18 patents)Keinosuke KondohKeinosuke Kondoh (17 patents)Kenichi ShibataKenichi Shibata (16 patents)Masahiro KanazawaMasahiro Kanazawa (14 patents)Takeshi KitaharaTakeshi Kitahara (14 patents)Kazutaka OtsukiKazutaka Otsuki (13 patents)Mutsuki MorinagaMutsuki Morinaga (13 patents)Akio KutsuwadaAkio Kutsuwada (13 patents)Naoyuki KawabeNaoyuki Kawabe (12 patents)Takashi NakahiraTakashi Nakahira (10 patents)Yoshikazu SugiyamaYoshikazu Sugiyama (8 patents)Takeshi IijimaTakeshi Iijima (8 patents)Kentaro MikuniyaKentaro Mikuniya (8 patents)Taku TakakiTaku Takaki (7 patents)Katsuhiro SetaKatsuhiro Seta (7 patents)Sotohiro TsujiharaSotohiro Tsujihara (6 patents)Osamu MakinoOsamu Makino (6 patents)Yohichiroh MiyaguchiYohichiroh Miyaguchi (5 patents)Mototaka KuribayashiMototaka Kuribayashi (5 patents)Shin KawabeShin Kawabe (5 patents)Naohito KojimaNaohito Kojima (4 patents)Taiji SawakiTaiji Sawaki (2 patents)Masayuki MinamiMasayuki Minami (2 patents)Youichiroh MiyaguchiYouichiroh Miyaguchi (2 patents)Shiro IkedaShiro Ikeda (2 patents)Takeharu KondoTakeharu Kondo (2 patents)Masafumi OguriMasafumi Oguri (1 patent)Yuhei NiwaYuhei Niwa (1 patent)Ichiroh KadotaIchiroh Kadota (1 patent)Kengo YoshidaKengo Yoshida (1 patent)Koichi NannoKoichi Nanno (1 patent)Shinya ItagakiShinya Itagaki (1 patent)Rio SatoRio Sato (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (39 from 28,566 patents)

2. Kabushiki Kaisha Toshiba (14 from 52,735 patents)

3. Renesas Electronics Corporation (3 from 7,525 patents)

4. Nec Casio Mobile Communications, Ltd. (2 from 63 patents)

5. Hitachi, Ltd. (1 from 42,496 patents)

6. Nec Corporation (1 from 35,705 patents)

7. Mitsubishi Electric Corporation (1 from 15,906 patents)

8. Hitachi Maxell, Limited (1 from 1,112 patents)

9. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)

10. Yamada Atomizer Company Limited (1 from 2 patents)

11. Tkr Corporation Co., Ltd. (1 from 1 patent)


65 patents:

1. 12112727 - Stringed musical instrument string and method for manufacturing stringed musical instrument string

2. 10649371 - Developing device, process cartridge, and image forming apparatus incorporating same

3. 9921541 - Developing device, and image forming apparatus and process cartridge incorporating same

4. 9772579 - Developing device and image forming apparatus incorporating same

5. 9625851 - Developing device and image forming apparatus incorporating same

6. 9046821 - Development device and image forming apparatus incorporating same

7. 9008556 - Development device and image forming apparatus and process unit incorporating same

8. 8982086 - Information processing apparatus

9. 8948638 - Image forming apparatus

10. 8897681 - Developing device, image forming apparatus, and image forming method

11. 8872984 - Tuner module, and mobile communication terminal

12. 8838048 - Radio communication apparatus, radio communication method, and non-transitory computer readable medium storing radio communication control program

13. 8824935 - Development device, process cartridge incorporating same, and image forming apparatus incorporating same

14. 8792838 - Radio communication apparatus, radio communication method, and non-transitory computer readable medium storing radio communication control program

15. 8654093 - Information processing apparatus

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