Growing community of inventors

Tokyo, Japan

Hiroshi Sakai

Average Co-Inventor Count = 2.94

ph-index = 11

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 = 483

Hiroshi SakaiYoshikatsu Inagaki (6 patents)Hiroshi SakaiAkihiro Tanaka (5 patents)Hiroshi SakaiHirofumi Aoki (5 patents)Hiroshi SakaiMakoto Igarashi (5 patents)Hiroshi SakaiIzuru Kanoya (5 patents)Hiroshi SakaiMotoji Suzuki (5 patents)Hiroshi SakaiYasuhiro Sasaki (4 patents)Hiroshi SakaiTakuya Taniuchi (4 patents)Hiroshi SakaiKiyoshi Tanaami (4 patents)Hiroshi SakaiMitsuya Hosoe (4 patents)Hiroshi SakaiTerumi Furuta (4 patents)Hiroshi SakaiMao Hori (4 patents)Hiroshi SakaiShinji Yamashita (3 patents)Hiroshi SakaiKenya Kawabata (3 patents)Hiroshi SakaiPu Qian (3 patents)Hiroshi SakaiMasahiro Meguro (3 patents)Hiroshi SakaiMasaaki Uchiyama (2 patents)Hiroshi SakaiNobuyuki Ichimaru (2 patents)Hiroshi SakaiYuji Isogai (2 patents)Hiroshi SakaiTakashi Nezu (2 patents)Hiroshi SakaiMasatake Takahashi (2 patents)Hiroshi SakaiHideaki Hirayama (2 patents)Hiroshi SakaiShigeru Kasai (2 patents)Hiroshi SakaiSatoshi Nakada (2 patents)Hiroshi SakaiYoshio Masubuchi (2 patents)Hiroshi SakaiTokuki Satake (2 patents)Hiroshi SakaiTakao Kohara (2 patents)Hiroshi SakaiBunichi Saito (2 patents)Hiroshi SakaiSatoshi Hoshina (2 patents)Hiroshi SakaiTomohiro Kinoshita (2 patents)Hiroshi SakaiKimio Sato (2 patents)Hiroshi SakaiYasuyuki Tochigi (2 patents)Hiroshi SakaiHiroki Nozoe (2 patents)Hiroshi SakaiMasaru Ishibashi (2 patents)Hiroshi SakaiTsuyoshi Imaiida (2 patents)Hiroshi SakaiIwanori Katoh (2 patents)Hiroshi SakaiTakeshi Itoh (2 patents)Hiroshi SakaiShigeru Gorin (2 patents)Hiroshi SakaiNobuyoshi Oki (2 patents)Hiroshi SakaiSyuei Tamura (2 patents)Hiroshi SakaiTakuya Kano (2 patents)Hiroshi SakaiTakao Nakamura (1 patent)Hiroshi SakaiShinji Watanabe (1 patent)Hiroshi SakaiHiroyuki Tanaka (1 patent)Hiroshi SakaiHiroshi Ogawa (1 patent)Hiroshi SakaiRiki Okamoto (1 patent)Hiroshi SakaiTakahiro Fujii (1 patent)Hiroshi SakaiHiroyuki Yamagishi (1 patent)Hiroshi SakaiYasuhiro Iida (1 patent)Hiroshi SakaiTakeshi Toyoda (1 patent)Hiroshi SakaiTakeshi Sakuma (1 patent)Hiroshi SakaiMasaaki Kishimoto (1 patent)Hiroshi SakaiAkihisa Tanaka (1 patent)Hiroshi SakaiEishin Yamakawa (1 patent)Hiroshi SakaiMizuki Iwanami (1 patent)Hiroshi SakaiHideaki Kawabata (1 patent)Hiroshi SakaiHidetoshi Shindo (1 patent)Hiroshi SakaiJunichiro Mataga (1 patent)Hiroshi SakaiHiroo Hayashi (1 patent)Hiroshi SakaiKoya Mori (1 patent)Hiroshi SakaiHisao Haneda (1 patent)Hiroshi SakaiTatsuro Miura (1 patent)Hiroshi SakaiHiroshi Tani (1 patent)Hiroshi SakaiShuta Hikichi (1 patent)Hiroshi SakaiKiyoshi Watanabe (1 patent)Hiroshi SakaiMasayuki Hanadate (1 patent)Hiroshi SakaiAkinori Kurusu (1 patent)Hiroshi SakaiKoichi Takenobu (1 patent)Hiroshi SakaiMasanobu Sugimura (1 patent)Hiroshi SakaiAkihiro Yoshizawa (3 patents)Hiroshi SakaiTakanobu Inada (1 patent)Hiroshi SakaiYutaka Ujisawa (1 patent)Hiroshi SakaiMitsuhiro Irino (1 patent)Hiroshi SakaiKazumi Ogura (1 patent)Hiroshi SakaiMasayuki Funatsu (1 patent)Hiroshi SakaiShigefumi Ohmori (1 patent)Hiroshi SakaiHayami Nakatani (1 patent)Hiroshi SakaiYukio Koike (1 patent)Hiroshi SakaiHideichiro Kawaguchi (1 patent)Hiroshi SakaiTomohiko Nozaki (1 patent)Hiroshi SakaiMasaharu Nakamori (1 patent)Hiroshi SakaiRyutaro Kawamura (1 patent)Hiroshi SakaiSatoshi Ohsawa (1 patent)Hiroshi SakaiKazuki Shindo (1 patent)Hiroshi SakaiYutaka Numajiri (1 patent)Hiroshi SakaiShigeru Ohkura (1 patent)Hiroshi SakaiKenjiro Matsumoto (1 patent)Hiroshi SakaiRyo Tsubata (1 patent)Hiroshi SakaiKaoru Nakano (1 patent)Hiroshi SakaiShigekuni Kondo (1 patent)Hiroshi SakaiKoki Nishioka (1 patent)Hiroshi SakaiYuta Urushibara (1 patent)Hiroshi SakaiTetsuya Hiraide (1 patent)Hiroshi SakaiRyohta Niiya (1 patent)Hiroshi SakaiHiroshi Sakai (60 patents)Yoshikatsu InagakiYoshikatsu Inagaki (31 patents)Akihiro TanakaAkihiro Tanaka (118 patents)Hirofumi AokiHirofumi Aoki (70 patents)Makoto IgarashiMakoto Igarashi (34 patents)Izuru KanoyaIzuru Kanoya (15 patents)Motoji SuzukiMotoji Suzuki (9 patents)Yasuhiro SasakiYasuhiro Sasaki (55 patents)Takuya TaniuchiTakuya Taniuchi (28 patents)Kiyoshi TanaamiKiyoshi Tanaami (19 patents)Mitsuya HosoeMitsuya Hosoe (18 patents)Terumi FurutaTerumi Furuta (10 patents)Mao HoriMao Hori (5 patents)Shinji YamashitaShinji Yamashita (59 patents)Kenya KawabataKenya Kawabata (27 patents)Pu QianPu Qian (16 patents)Masahiro MeguroMasahiro Meguro (9 patents)Masaaki UchiyamaMasaaki Uchiyama (47 patents)Nobuyuki IchimaruNobuyuki Ichimaru (47 patents)Yuji IsogaiYuji Isogai (31 patents)Takashi NezuTakashi Nezu (28 patents)Masatake TakahashiMasatake Takahashi (24 patents)Hideaki HirayamaHideaki Hirayama (20 patents)Shigeru KasaiShigeru Kasai (16 patents)Satoshi NakadaSatoshi Nakada (10 patents)Yoshio MasubuchiYoshio Masubuchi (10 patents)Tokuki SatakeTokuki Satake (7 patents)Takao KoharaTakao Kohara (7 patents)Bunichi SaitoBunichi Saito (6 patents)Satoshi HoshinaSatoshi Hoshina (6 patents)Tomohiro KinoshitaTomohiro Kinoshita (4 patents)Kimio SatoKimio Sato (4 patents)Yasuyuki TochigiYasuyuki Tochigi (3 patents)Hiroki NozoeHiroki Nozoe (3 patents)Masaru IshibashiMasaru Ishibashi (3 patents)Tsuyoshi ImaiidaTsuyoshi Imaiida (2 patents)Iwanori KatohIwanori Katoh (2 patents)Takeshi ItohTakeshi Itoh (2 patents)Shigeru GorinShigeru Gorin (2 patents)Nobuyoshi OkiNobuyoshi Oki (2 patents)Syuei TamuraSyuei Tamura (2 patents)Takuya KanoTakuya Kano (2 patents)Takao NakamuraTakao Nakamura (135 patents)Shinji WatanabeShinji Watanabe (123 patents)Hiroyuki TanakaHiroyuki Tanaka (72 patents)Hiroshi OgawaHiroshi Ogawa (61 patents)Riki OkamotoRiki Okamoto (55 patents)Takahiro FujiiTakahiro Fujii (54 patents)Hiroyuki YamagishiHiroyuki Yamagishi (38 patents)Yasuhiro IidaYasuhiro Iida (24 patents)Takeshi ToyodaTakeshi Toyoda (21 patents)Takeshi SakumaTakeshi Sakuma (18 patents)Masaaki KishimotoMasaaki Kishimoto (16 patents)Akihisa TanakaAkihisa Tanaka (14 patents)Eishin YamakawaEishin Yamakawa (14 patents)Mizuki IwanamiMizuki Iwanami (13 patents)Hideaki KawabataHideaki Kawabata (13 patents)Hidetoshi ShindoHidetoshi Shindo (13 patents)Junichiro MatagaJunichiro Mataga (11 patents)Hiroo HayashiHiroo Hayashi (11 patents)Koya MoriKoya Mori (11 patents)Hisao HanedaHisao Haneda (10 patents)Tatsuro MiuraTatsuro Miura (10 patents)Hiroshi TaniHiroshi Tani (8 patents)Shuta HikichiShuta Hikichi (7 patents)Kiyoshi WatanabeKiyoshi Watanabe (6 patents)Masayuki HanadateMasayuki Hanadate (6 patents)Akinori KurusuAkinori Kurusu (4 patents)Koichi TakenobuKoichi Takenobu (4 patents)Masanobu SugimuraMasanobu Sugimura (4 patents)Akihiro YoshizawaAkihiro Yoshizawa (3 patents)Takanobu InadaTakanobu Inada (2 patents)Yutaka UjisawaYutaka Ujisawa (2 patents)Mitsuhiro IrinoMitsuhiro Irino (2 patents)Kazumi OguraKazumi Ogura (2 patents)Masayuki FunatsuMasayuki Funatsu (2 patents)Shigefumi OhmoriShigefumi Ohmori (2 patents)Hayami NakataniHayami Nakatani (2 patents)Yukio KoikeYukio Koike (2 patents)Hideichiro KawaguchiHideichiro Kawaguchi (2 patents)Tomohiko NozakiTomohiko Nozaki (2 patents)Masaharu NakamoriMasaharu Nakamori (2 patents)Ryutaro KawamuraRyutaro Kawamura (2 patents)Satoshi OhsawaSatoshi Ohsawa (2 patents)Kazuki ShindoKazuki Shindo (2 patents)Yutaka NumajiriYutaka Numajiri (1 patent)Shigeru OhkuraShigeru Ohkura (1 patent)Kenjiro MatsumotoKenjiro Matsumoto (1 patent)Ryo TsubataRyo Tsubata (1 patent)Kaoru NakanoKaoru Nakano (1 patent)Shigekuni KondoShigekuni Kondo (1 patent)Koki NishiokaKoki Nishioka (1 patent)Yuta UrushibaraYuta Urushibara (1 patent)Tetsuya HiraideTetsuya Hiraide (1 patent)Ryohta NiiyaRyohta Niiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (14 from 35,658 patents)

2. Honda Motor Co., Ltd. (13 from 21,831 patents)

3. The Furukawa Electric Co., Ltd. (8 from 2,630 patents)

4. Kabushiki Kaisha Toshiba (6 from 52,711 patents)

5. Mitsubishi Jukogyo Kabushiki Kaisha (4 from 1,326 patents)

6. Tokico, Ltd. (4 from 548 patents)

7. Nippon Steel Corporation (2 from 3,542 patents)

8. Kobe Steel, Ltd. (2 from 1,883 patents)

9. Jfe Steel Corporation (2 from 1,792 patents)

10. Nippon Telegraph and Telephone Corporation (1 from 5,289 patents)

11. Showa Denko K.k. (1 from 1,960 patents)

12. Nippon Steel & Sumitomo Metal Corporation (1 from 1,098 patents)

13. Nisshin Steel Co., Ltd. (1 from 342 patents)

14. Konica Minolta Business Technologies, Inc. (2,526 patents)

15. Kabushiki Kaisha Kobe Seiko Sho (1,100 patents)


60 patents:

1. 12221908 - Sound reducing device for internal combustion engine

2. 12180555 - Blast furnace operation method

3. 12159148 - Digital twin computing apparatus, digital twin computing method, program and data structure

4. 11987698 - Resin composition for plating

5. 11933543 - Heat sink

6. 11725883 - Heat sink

7. 11567139 - Secondary battery diagnostic device

8. 11543189 - Heat sink

9. D971862 - Heatsink

10. 11480627 - Method for determining micro short circuit of lithium ion secondary battery

11. 11322176 - Method of manufacturing magnetic recording medium

12. 11300627 - Method for determining battery state of lithium ion secondary battery

13. 11299623 - Thermoplastic resin composition, molded resin article thereof, and coated article

14. 11208548 - Thermoplastic resin composition and resin molded article

15. 11079183 - Vapor chamber

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