Growing community of inventors

Kanagawa, Japan

Masamichi Yamada

Average Co-Inventor Count = 2.84

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 = 794

Masamichi YamadaHideo Kanai (40 patents)Masamichi YamadaNaoyuki Ishikawa (39 patents)Masamichi YamadaTetsuya Fujioka (37 patents)Masamichi YamadaIzumi Watanabe (31 patents)Masamichi YamadaKeiichi Nakada (23 patents)Masamichi YamadaMasahiro Matsumoto (21 patents)Masamichi YamadaHiroshi Nakano (20 patents)Masamichi YamadaSatoshi Tsuchiya (20 patents)Masamichi YamadaYasutada Tsukioka (20 patents)Masamichi YamadaYasunari Mikutsu (20 patents)Masamichi YamadaAkihisa Mikawa (17 patents)Masamichi YamadaKeiji Hanzawa (13 patents)Masamichi YamadaYukimi Nishi (9 patents)Masamichi YamadaJunichi Horie (8 patents)Masamichi YamadaKei Ueyama (6 patents)Masamichi YamadaMotohisa Ikeda (4 patents)Masamichi YamadaNobuyasu Kanekawa (3 patents)Masamichi YamadaKatsuo Konishi (3 patents)Masamichi YamadaKazutaka Yamamoto (3 patents)Masamichi YamadaHideo Namba (3 patents)Masamichi YamadaChiyo Sakenaga (3 patents)Masamichi YamadaKeiichiro Arai (3 patents)Masamichi YamadaRyo Sato (2 patents)Masamichi YamadaShinya Igarashi (2 patents)Masamichi YamadaYasuo Katano (2 patents)Masamichi YamadaNaoki Nakamura (2 patents)Masamichi YamadaShigenobu Hirano (2 patents)Masamichi YamadaMasahiro Itoh (2 patents)Masamichi YamadaShigemitsu Higuchi (2 patents)Masamichi YamadaYoshifumi Sudoh (2 patents)Masamichi YamadaKenji Kameyama (2 patents)Masamichi YamadaTakashi Maki (2 patents)Masamichi YamadaAtsushi Kanke (2 patents)Masamichi YamadaAkio Yasukawa (2 patents)Masamichi YamadaKatsuaki Fukatsu (2 patents)Masamichi YamadaTohru Sampei (2 patents)Masamichi YamadaToshiharu Hachisuka (2 patents)Masamichi YamadaAino Hasegawa (2 patents)Masamichi YamadaSusumu Momma (2 patents)Masamichi YamadaHiroshi Yoneda (2 patents)Masamichi YamadaNorikazu Igarashi (2 patents)Masamichi YamadaYasuhiro Kanamaru (2 patents)Masamichi YamadaKenji Nakabayashi (2 patents)Masamichi YamadaShun Okazaki (2 patents)Masamichi YamadaMasakatsu Saito (2 patents)Masamichi YamadaNaoya Fujita (2 patents)Masamichi YamadaNoboru Tokuyasu (1 patent)Masamichi YamadaYoshihiro Sukegawa (1 patent)Masamichi YamadaShoji Sasaki (1 patent)Masamichi YamadaShiro Yamaoka (1 patent)Masamichi YamadaMutsumi Suzuki (1 patent)Masamichi YamadaKaoru Uchiyama (1 patent)Masamichi YamadaShigeo Kurotaka (1 patent)Masamichi YamadaMasaaki Kurebayashi (1 patent)Masamichi YamadaTakahiro Yoshikawa (1 patent)Masamichi YamadaRintaro Minamitani (1 patent)Masamichi YamadaAkira Koide (1 patent)Masamichi YamadaHiromu Kikawa (1 patent)Masamichi YamadaYoshio Kubo (1 patent)Masamichi YamadaHisao Sonobe (1 patent)Masamichi YamadaKenji Ohta (1 patent)Masamichi YamadaYoshito Saito (1 patent)Masamichi YamadaDaisuke Terada (1 patent)Masamichi YamadaToshio Tsuchiya (1 patent)Masamichi YamadaHitoshi Yanagihara (1 patent)Masamichi YamadaTadashi Isono (1 patent)Masamichi YamadaKouichi Tomatsuri (1 patent)Masamichi YamadaMichiyori Miura (1 patent)Masamichi YamadaKohichi Tomatsuri (1 patent)Masamichi YamadaTakemasa Tsutsui (1 patent)Masamichi YamadaToshihiko Nakau (1 patent)Masamichi YamadaTakumi Sasaki (1 patent)Masamichi YamadaSatoshi Tsuchiya (0 patent)Masamichi YamadaMikutsu Yasunari (0 patent)Masamichi YamadaMotoshisa Ikeda (0 patent)Masamichi YamadaNaoyuki Ihikawa (0 patent)Masamichi YamadaMasamichi Yamada (119 patents)Hideo KanaiHideo Kanai (53 patents)Naoyuki IshikawaNaoyuki Ishikawa (55 patents)Tetsuya FujiokaTetsuya Fujioka (76 patents)Izumi WatanabeIzumi Watanabe (62 patents)Keiichi NakadaKeiichi Nakada (45 patents)Masahiro MatsumotoMasahiro Matsumoto (142 patents)Hiroshi NakanoHiroshi Nakano (123 patents)Satoshi TsuchiyaSatoshi Tsuchiya (51 patents)Yasutada TsukiokaYasutada Tsukioka (49 patents)Yasunari MikutsuYasunari Mikutsu (38 patents)Akihisa MikawaAkihisa Mikawa (39 patents)Keiji HanzawaKeiji Hanzawa (115 patents)Yukimi NishiYukimi Nishi (15 patents)Junichi HorieJunichi Horie (33 patents)Kei UeyamaKei Ueyama (19 patents)Motohisa IkedaMotohisa Ikeda (4 patents)Nobuyasu KanekawaNobuyasu Kanekawa (110 patents)Katsuo KonishiKatsuo Konishi (8 patents)Kazutaka YamamotoKazutaka Yamamoto (4 patents)Hideo NambaHideo Namba (3 patents)Chiyo SakenagaChiyo Sakenaga (3 patents)Keiichiro AraiKeiichiro Arai (3 patents)Ryo SatoRyo Sato (90 patents)Shinya IgarashiShinya Igarashi (72 patents)Yasuo KatanoYasuo Katano (67 patents)Naoki NakamuraNaoki Nakamura (59 patents)Shigenobu HiranoShigenobu Hirano (48 patents)Masahiro ItohMasahiro Itoh (46 patents)Shigemitsu HiguchiShigemitsu Higuchi (42 patents)Yoshifumi SudohYoshifumi Sudoh (37 patents)Kenji KameyamaKenji Kameyama (35 patents)Takashi MakiTakashi Maki (32 patents)Atsushi KankeAtsushi Kanke (27 patents)Akio YasukawaAkio Yasukawa (23 patents)Katsuaki FukatsuKatsuaki Fukatsu (20 patents)Tohru SampeiTohru Sampei (17 patents)Toshiharu HachisukaToshiharu Hachisuka (16 patents)Aino HasegawaAino Hasegawa (15 patents)Susumu MommaSusumu Momma (14 patents)Hiroshi YonedaHiroshi Yoneda (11 patents)Norikazu IgarashiNorikazu Igarashi (10 patents)Yasuhiro KanamaruYasuhiro Kanamaru (7 patents)Kenji NakabayashiKenji Nakabayashi (7 patents)Shun OkazakiShun Okazaki (6 patents)Masakatsu SaitoMasakatsu Saito (4 patents)Naoya FujitaNaoya Fujita (3 patents)Noboru TokuyasuNoboru Tokuyasu (92 patents)Yoshihiro SukegawaYoshihiro Sukegawa (56 patents)Shoji SasakiShoji Sasaki (41 patents)Shiro YamaokaShiro Yamaoka (40 patents)Mutsumi SuzukiMutsumi Suzuki (39 patents)Kaoru UchiyamaKaoru Uchiyama (39 patents)Shigeo KurotakaShigeo Kurotaka (37 patents)Masaaki KurebayashiMasaaki Kurebayashi (26 patents)Takahiro YoshikawaTakahiro Yoshikawa (25 patents)Rintaro MinamitaniRintaro Minamitani (25 patents)Akira KoideAkira Koide (25 patents)Hiromu KikawaHiromu Kikawa (21 patents)Yoshio KuboYoshio Kubo (16 patents)Hisao SonobeHisao Sonobe (15 patents)Kenji OhtaKenji Ohta (11 patents)Yoshito SaitoYoshito Saito (10 patents)Daisuke TeradaDaisuke Terada (9 patents)Toshio TsuchiyaToshio Tsuchiya (9 patents)Hitoshi YanagiharaHitoshi Yanagihara (7 patents)Tadashi IsonoTadashi Isono (6 patents)Kouichi TomatsuriKouichi Tomatsuri (4 patents)Michiyori MiuraMichiyori Miura (3 patents)Kohichi TomatsuriKohichi Tomatsuri (2 patents)Takemasa TsutsuiTakemasa Tsutsui (2 patents)Toshihiko NakauToshihiko Nakau (1 patent)Takumi SasakiTakumi Sasaki (1 patent)Satoshi TsuchiyaSatoshi Tsuchiya (0 patent)Mikutsu YasunariMikutsu Yasunari (0 patent)Motoshisa IkedaMotoshisa Ikeda (0 patent)Naoyuki IhikawaNaoyuki Ihikawa (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (67 from 28,577 patents)

2. Hitachi, Ltd. (40 from 42,508 patents)

3. Hitachi Car Engineering Co., Ltd. (16 from 248 patents)

4. Other (6 from 832,880 patents)

5. Hitachi Automotive Systems, Ltd. (3 from 2,028 patents)

6. Seikagaku Corporation (3 from 191 patents)


119 patents:

1. 12265225 - Light guide member and display device

2. 12181673 - Propagation optical system and virtual image display device

3. 11892118 - Display stand and display stand system

4. 11779593 - Agent for improving ocular subjective symptoms and method thereof

5. 11746947 - Stand and stand system

6. 11421815 - Stand, stand system, and rotating unit for display device

7. 11185558 - Agent for improving ocular subjective symptoms and method thereof

8. 11147831 - Agent for improving ocular subjective symptoms and method thereof

9. 10225531 - Image display unit, image projection unit, and image projection apparatus

10. 10197894 - Dustproof member for image generation device and image projection apparatus

11. 10012893 - Image projection apparatus

12. 9713282 - Cooling apparatus, image projection apparatus, and electronic device

13. 9678416 - Light source device provided with cooler and image projection device including light source device provided with cooler

14. 9671681 - Image projection apparatus

15. 9645478 - Cooling device, image projection apparatus, and electronic apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/3/2026
Loading…