Growing community of inventors

Tokyo, Japan

Masahiko Ogawa

Average Co-Inventor Count = 3.00

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 = 855

Masahiko OgawaIchiro Saito (21 patents)Masahiko OgawaYoshiyuki Imanaka (20 patents)Masahiko OgawaTeruo Ozaki (20 patents)Masahiko OgawaHiroyuki Ishinaga (13 patents)Masahiko OgawaMasami Ikeda (13 patents)Masahiko OgawaMasahiko Kubota (13 patents)Masahiko OgawaTomoyuki Hiroki (13 patents)Masahiko OgawaTakashi Matsuo (9 patents)Masahiko OgawaMuga Mochizuki (9 patents)Masahiko OgawaHiroyuki Fujinuma (9 patents)Masahiko OgawaTomohito Koshika (9 patents)Masahiko OgawaKazuhiro Okada (9 patents)Masahiko OgawaShuichi Tamura (8 patents)Masahiko OgawaToshio Kashino (4 patents)Masahiko OgawaTokuichi Tsunekawa (4 patents)Masahiko OgawaKimiyuki Hayasaki (4 patents)Masahiko OgawaTakeshi Iizaki (4 patents)Masahiko OgawaHiromi Saimiya (4 patents)Masahiko OgawaHiroyuki Sugiyama (3 patents)Masahiko OgawaHirokazu Takahashi (3 patents)Masahiko OgawaTetsuya Taguchi (3 patents)Masahiko OgawaYoichi Taneya (3 patents)Masahiko OgawaShigeo Yamagata (3 patents)Masahiko OgawaHiroyuki Horii (3 patents)Masahiko OgawaYasutomo Suzuki (3 patents)Masahiko OgawaToru Yoshihara (3 patents)Masahiko OgawaToshimori Miyakoshi (3 patents)Masahiko OgawaRyuji Tokuda (3 patents)Masahiko OgawaAkira Kiyomine (3 patents)Masahiko OgawaHidetoshi Tagami (3 patents)Masahiko OgawaTadashi Tamura (3 patents)Masahiko OgawaShuichi Murakami (2 patents)Masahiko OgawaTakayuki Yagi (2 patents)Masahiko OgawaKazuaki Masuda (2 patents)Masahiko OgawaShuji Koyama (2 patents)Masahiko OgawaAkihiro Yamanaka (2 patents)Masahiko OgawaAsao Saito (2 patents)Masahiko OgawaHideo Saikawa (2 patents)Masahiko OgawaYukichi Niwa (2 patents)Masahiko OgawaYuichiro Akama (2 patents)Masahiko OgawaHiroto Matsuda (2 patents)Masahiko OgawaHiroaki Mihara (2 patents)Masahiko OgawaYasunori Takei (2 patents)Masahiko OgawaHajime Miyabe (2 patents)Masahiko OgawaYoshinori Nishizawa (2 patents)Masahiko OgawaToshio Sakane (2 patents)Masahiko OgawaJiro Kawase (2 patents)Masahiko OgawaNoriyuki Asano (2 patents)Masahiko OgawaMitsutoshi Owada (2 patents)Masahiko OgawaMichio Tanaka (2 patents)Masahiko OgawaKiyomitsu Kudo (1 patent)Masahiko OgawaTakao Kinoshita (1 patent)Masahiko OgawaKenichi Matsunaga (1 patent)Masahiko OgawaAya Yoshihira (1 patent)Masahiko OgawaTsuguhide Sakata (1 patent)Masahiko OgawaMutsuhide Matsuda (1 patent)Masahiko OgawaTokihiko Ogura (1 patent)Masahiko OgawaKazuhiko Ito (1 patent)Masahiko OgawaRyoichi Koizumi (1 patent)Masahiko OgawaHiromichi Hara (1 patent)Masahiko OgawaNaohisa Kure (1 patent)Masahiko OgawaShinobu Nagase (1 patent)Masahiko OgawaMakoto Iijima (1 patent)Masahiko OgawaTakashi Hori (1 patent)Masahiko OgawaTatsuro Kawakami (1 patent)Masahiko OgawaRyo Takai (1 patent)Masahiko OgawaTetsuya Kawai (1 patent)Masahiko OgawaTsutomu Muraoka (1 patent)Masahiko OgawaShigekazu Takahashi (1 patent)Masahiko OgawaYasuo Chito (1 patent)Masahiko OgawaYoshihiro Morimoto (1 patent)Masahiko OgawaKen-ichi Matsunaga (1 patent)Masahiko OgawaOsamu Morita (1 patent)Masahiko OgawaChoichi Takada (1 patent)Masahiko OgawaNaoki Ichimura (1 patent)Masahiko OgawaMasahiko Ogawa (69 patents)Ichiro SaitoIchiro Saito (138 patents)Yoshiyuki ImanakaYoshiyuki Imanaka (166 patents)Teruo OzakiTeruo Ozaki (112 patents)Hiroyuki IshinagaHiroyuki Ishinaga (195 patents)Masami IkedaMasami Ikeda (185 patents)Masahiko KubotaMasahiko Kubota (148 patents)Tomoyuki HirokiTomoyuki Hiroki (43 patents)Takashi MatsuoTakashi Matsuo (62 patents)Muga MochizukiMuga Mochizuki (54 patents)Hiroyuki FujinumaHiroyuki Fujinuma (18 patents)Tomohito KoshikaTomohito Koshika (12 patents)Kazuhiro OkadaKazuhiro Okada (11 patents)Shuichi TamuraShuichi Tamura (62 patents)Toshio KashinoToshio Kashino (173 patents)Tokuichi TsunekawaTokuichi Tsunekawa (127 patents)Kimiyuki HayasakiKimiyuki Hayasaki (63 patents)Takeshi IizakiTakeshi Iizaki (15 patents)Hiromi SaimiyaHiromi Saimiya (7 patents)Hiroyuki SugiyamaHiroyuki Sugiyama (144 patents)Hirokazu TakahashiHirokazu Takahashi (121 patents)Tetsuya TaguchiTetsuya Taguchi (85 patents)Yoichi TaneyaYoichi Taneya (61 patents)Shigeo YamagataShigeo Yamagata (60 patents)Hiroyuki HoriiHiroyuki Horii (49 patents)Yasutomo SuzukiYasutomo Suzuki (43 patents)Toru YoshiharaToru Yoshihara (33 patents)Toshimori MiyakoshiToshimori Miyakoshi (29 patents)Ryuji TokudaRyuji Tokuda (26 patents)Akira KiyomineAkira Kiyomine (11 patents)Hidetoshi TagamiHidetoshi Tagami (7 patents)Tadashi TamuraTadashi Tamura (6 patents)Shuichi MurakamiShuichi Murakami (124 patents)Takayuki YagiTakayuki Yagi (101 patents)Kazuaki MasudaKazuaki Masuda (92 patents)Shuji KoyamaShuji Koyama (83 patents)Akihiro YamanakaAkihiro Yamanaka (57 patents)Asao SaitoAsao Saito (51 patents)Hideo SaikawaHideo Saikawa (48 patents)Yukichi NiwaYukichi Niwa (43 patents)Yuichiro AkamaYuichiro Akama (35 patents)Hiroto MatsudaHiroto Matsuda (35 patents)Hiroaki MiharaHiroaki Mihara (33 patents)Yasunori TakeiYasunori Takei (31 patents)Hajime MiyabeHajime Miyabe (30 patents)Yoshinori NishizawaYoshinori Nishizawa (21 patents)Toshio SakaneToshio Sakane (19 patents)Jiro KawaseJiro Kawase (18 patents)Noriyuki AsanoNoriyuki Asano (13 patents)Mitsutoshi OwadaMitsutoshi Owada (9 patents)Michio TanakaMichio Tanaka (2 patents)Kiyomitsu KudoKiyomitsu Kudo (108 patents)Takao KinoshitaTakao Kinoshita (84 patents)Kenichi MatsunagaKenichi Matsunaga (82 patents)Aya YoshihiraAya Yoshihira (60 patents)Tsuguhide SakataTsuguhide Sakata (58 patents)Mutsuhide MatsudaMutsuhide Matsuda (38 patents)Tokihiko OguraTokihiko Ogura (23 patents)Kazuhiko ItoKazuhiko Ito (22 patents)Ryoichi KoizumiRyoichi Koizumi (20 patents)Hiromichi HaraHiromichi Hara (12 patents)Naohisa KureNaohisa Kure (11 patents)Shinobu NagaseShinobu Nagase (9 patents)Makoto IijimaMakoto Iijima (7 patents)Takashi HoriTakashi Hori (7 patents)Tatsuro KawakamiTatsuro Kawakami (7 patents)Ryo TakaiRyo Takai (6 patents)Tetsuya KawaiTetsuya Kawai (6 patents)Tsutomu MuraokaTsutomu Muraoka (5 patents)Shigekazu TakahashiShigekazu Takahashi (5 patents)Yasuo ChitoYasuo Chito (3 patents)Yoshihiro MorimotoYoshihiro Morimoto (2 patents)Ken-ichi MatsunagaKen-ichi Matsunaga (1 patent)Osamu MoritaOsamu Morita (1 patent)Choichi TakadaChoichi Takada (1 patent)Naoki IchimuraNaoki Ichimura (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (54 from 90,594 patents)

2. Kao Corporation (14 from 3,600 patents)

3. Dic Corporation (1 from 768 patents)


69 patents:

1. 11267990 - Method for manufacturing flexible packaging film

2. 10481509 - Vibration damping apparatus, lithography apparatus, and method of manufacturing article

3. 8529638 - Head hair dyeing composition

4. 8394151 - Head hair dyeing method

5. 8277784 - Hair cosmetic product

6. 8246936 - Hair cosmetic product

7. 8158112 - Hair cosmetic product

8. 8153108 - Hair cosmetic product

9. 8152858 - Head hair dyeing method

10. 8025702 - Two-part hairdye composition

11. 7955400 - Two-part hair dye composition

12. 7740333 - Printhead, head cartridge, and printing apparatus using restriction circuit for restricting input of signals

13. 7600839 - Recording apparatus which can prevent block switching noises

14. 7503632 - Head substrate having data memory, printing head, printing apparatus and producing method therefor

15. 7398135 - Method for simulating conveyance of medium

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