Growing community of inventors

Tokyo, Japan

Masaharu Ogawa

Average Co-Inventor Count = 2.80

ph-index = 14

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 = 448

Masaharu OgawaNobuo Takeshita (40 patents)Masaharu OgawaHironori Nakahara (37 patents)Masaharu OgawaKunimaro Tanaka (7 patents)Masaharu OgawaKyosuke Yoshimoto (6 patents)Masaharu OgawaTeruo Furukawa (6 patents)Masaharu OgawaOsamu Ito (5 patents)Masaharu OgawaYoshiki Nakajima (5 patents)Masaharu OgawaKazuhiko Nakane (4 patents)Masaharu OgawaKeiji Nakatsu (4 patents)Masaharu OgawaMinoru Ozaki (2 patents)Masaharu OgawaMasafumi Ototake (2 patents)Masaharu OgawaYoshihiro Kiyose (2 patents)Masaharu OgawaNoboru Yashima (2 patents)Masaharu OgawaIsao Otsuka (2 patents)Masaharu OgawaMasaaki Shimada (1 patent)Masaharu OgawaAkira Mashimo (1 patent)Masaharu OgawaHajime Nakajima (1 patent)Masaharu OgawaHiroshi Tsuyuguchi (1 patent)Masaharu OgawaAjay Divakaran (1 patent)Masaharu OgawaToru Yoshihara (1 patent)Masaharu OgawaKeiji Nakamura (1 patent)Masaharu OgawaYoshiaki Sakai (1 patent)Masaharu OgawaEiji Yokoyama (1 patent)Masaharu OgawaTomo Kishigami (1 patent)Masaharu OgawaIsao Watanabe (1 patent)Masaharu OgawaMasahisa Shinoda (1 patent)Masaharu OgawaKenjiro Kime (1 patent)Masaharu OgawaKoichi Takeuchi (1 patent)Masaharu OgawaHiroyuki Onda (1 patent)Masaharu OgawaNorihiro Watanabe (1 patent)Masaharu OgawaKatsuya Enami (1 patent)Masaharu OgawaMasayoshi Shimamoto (1 patent)Masaharu OgawaKouichi Yamada (1 patent)Masaharu OgawaKouichi Komawaki (1 patent)Masaharu OgawaMotomu Yoshimura (1 patent)Masaharu OgawaSatoshi Michihata (1 patent)Masaharu OgawaMitsuo Maeda (1 patent)Masaharu OgawaOsamu Tsukahara (1 patent)Masaharu OgawaNaoki Kizu (1 patent)Masaharu OgawaTetsuro Araki (1 patent)Masaharu OgawaFumio Matsuda (1 patent)Masaharu OgawaHideaki Kobachi (1 patent)Masaharu OgawaMitsuru Ishizuka (1 patent)Masaharu OgawaShigeo Hayashi (1 patent)Masaharu OgawaYoshiaki Umeda (1 patent)Masaharu OgawaTakeshi Utakouji (1 patent)Masaharu OgawaKatsuaki Kamitsu (1 patent)Masaharu OgawaOsamu Itou (1 patent)Masaharu OgawaMasaharu Ogawa (59 patents)Nobuo TakeshitaNobuo Takeshita (93 patents)Hironori NakaharaHironori Nakahara (53 patents)Kunimaro TanakaKunimaro Tanaka (28 patents)Kyosuke YoshimotoKyosuke Yoshimoto (52 patents)Teruo FurukawaTeruo Furukawa (37 patents)Osamu ItoOsamu Ito (26 patents)Yoshiki NakajimaYoshiki Nakajima (8 patents)Kazuhiko NakaneKazuhiko Nakane (150 patents)Keiji NakatsuKeiji Nakatsu (8 patents)Minoru OzakiMinoru Ozaki (31 patents)Masafumi OtotakeMasafumi Ototake (21 patents)Yoshihiro KiyoseYoshihiro Kiyose (19 patents)Noboru YashimaNoboru Yashima (18 patents)Isao OtsukaIsao Otsuka (16 patents)Masaaki ShimadaMasaaki Shimada (98 patents)Akira MashimoAkira Mashimo (84 patents)Hajime NakajimaHajime Nakajima (57 patents)Hiroshi TsuyuguchiHiroshi Tsuyuguchi (54 patents)Ajay DivakaranAjay Divakaran (40 patents)Toru YoshiharaToru Yoshihara (33 patents)Keiji NakamuraKeiji Nakamura (32 patents)Yoshiaki SakaiYoshiaki Sakai (29 patents)Eiji YokoyamaEiji Yokoyama (27 patents)Tomo KishigamiTomo Kishigami (24 patents)Isao WatanabeIsao Watanabe (20 patents)Masahisa ShinodaMasahisa Shinoda (20 patents)Kenjiro KimeKenjiro Kime (16 patents)Koichi TakeuchiKoichi Takeuchi (15 patents)Hiroyuki OndaHiroyuki Onda (15 patents)Norihiro WatanabeNorihiro Watanabe (15 patents)Katsuya EnamiKatsuya Enami (14 patents)Masayoshi ShimamotoMasayoshi Shimamoto (13 patents)Kouichi YamadaKouichi Yamada (13 patents)Kouichi KomawakiKouichi Komawaki (12 patents)Motomu YoshimuraMotomu Yoshimura (11 patents)Satoshi MichihataSatoshi Michihata (11 patents)Mitsuo MaedaMitsuo Maeda (11 patents)Osamu TsukaharaOsamu Tsukahara (8 patents)Naoki KizuNaoki Kizu (7 patents)Tetsuro ArakiTetsuro Araki (7 patents)Fumio MatsudaFumio Matsuda (5 patents)Hideaki KobachiHideaki Kobachi (4 patents)Mitsuru IshizukaMitsuru Ishizuka (3 patents)Shigeo HayashiShigeo Hayashi (3 patents)Yoshiaki UmedaYoshiaki Umeda (2 patents)Takeshi UtakoujiTakeshi Utakouji (2 patents)Katsuaki KamitsuKatsuaki Kamitsu (1 patent)Osamu ItouOsamu Itou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Electric Corporation (41 from 15,942 patents)

2. Mitsubishi Denki Kabushiki Kaisha (17 from 21,351 patents)

3. Mitsubishi Electric Research Laboratories, Inc. (1 from 1,641 patents)

4. Teac Corporation (1 from 1,030 patents)


59 patents:

1. 10650855 - Optical disc and optical disc device

2. 10381037 - Optical disc and optical disc device

3. 10002634 - Optical disc and optical disc device

4. 9741387 - Optical disc and optical disc device

5. 9147425 - Optical disc and optical disc device

6. 8942074 - Optical disc and optical disc device

7. 8873359 - Optical disc and optical disc device

8. 8854937 - Optical disc and optical disc device

9. 8848499 - Optical disc and optical disc device

10. 8837266 - Optical disc and optical disc device

11. 8830804 - Optical disc and optical disc device

12. 8830805 - Optical disc and optical disc device

13. 8824258 - Optical disc and optical disc device

14. 8824256 - Optical disc and optical disc device

15. 8824257 - Optical disc and optical disc device

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/7/2026
Loading…