Growing community of inventors

Hikone, Japan

Osamu Nakagawa

Average Co-Inventor Count = 1.79

ph-index = 9

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 = 308

Osamu NakagawaJunichi Yoshida (5 patents)Osamu NakagawaMasayuki Sakumoto (4 patents)Osamu NakagawaTetsu Mitsuo (3 patents)Osamu NakagawaShingo Hashimoto (2 patents)Osamu NakagawaHiroyuki Tanaka (2 patents)Osamu NakagawaNorihiko Akao (2 patents)Osamu NakagawaHirotaka Kawaura (2 patents)Osamu NakagawaTakanori Ota (2 patents)Osamu NakagawaKoji Hiramatsu (1 patent)Osamu NakagawaShingo Sato (1 patent)Osamu NakagawaToshiro Koyanagi (1 patent)Osamu NakagawaTetsuya Sugimoto (1 patent)Osamu NakagawaHiroharu Sugiura (1 patent)Osamu NakagawaDaichi Kurashige (1 patent)Osamu NakagawaDaisuke Matsuo (1 patent)Osamu NakagawaYukihiro Yukita (1 patent)Osamu NakagawaKenji Kawabe (0 patent)Osamu NakagawaRei Yoshizumi (0 patent)Osamu NakagawaOsamu Nakagawa (17 patents)Junichi YoshidaJunichi Yoshida (32 patents)Masayuki SakumotoMasayuki Sakumoto (6 patents)Tetsu MitsuoTetsu Mitsuo (21 patents)Shingo HashimotoShingo Hashimoto (53 patents)Hiroyuki TanakaHiroyuki Tanaka (30 patents)Norihiko AkaoNorihiko Akao (15 patents)Hirotaka KawauraHirotaka Kawaura (10 patents)Takanori OtaTakanori Ota (9 patents)Koji HiramatsuKoji Hiramatsu (31 patents)Shingo SatoShingo Sato (20 patents)Toshiro KoyanagiToshiro Koyanagi (12 patents)Tetsuya SugimotoTetsuya Sugimoto (12 patents)Hiroharu SugiuraHiroharu Sugiura (4 patents)Daichi KurashigeDaichi Kurashige (4 patents)Daisuke MatsuoDaisuke Matsuo (2 patents)Yukihiro YukitaYukihiro Yukita (2 patents)Kenji KawabeKenji Kawabe (0 patent)Rei YoshizumiRei Yoshizumi (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takata Corporation (13 from 1,161 patents)

2. Toyota Jidosha Kabushiki Kaisha (5 from 36,771 patents)

3. Aisin Aw Co., Ltd. (2 from 2,064 patents)

4. Nec Corporation (1 from 35,756 patents)


17 patents:

1. 10148157 - Method of manufacturing stator for rotary electric machine

2. 9758126 - Vehicle child safety seat and shoulder pad

3. 9712024 - Coil end shaping apparatus and method

4. 9649955 - Vehicle child safety seat

5. 9610866 - Vehicle child safety seat and harness cover

6. 7322648 - Child seat

7. 6796610 - Child seat device

8. 6669288 - Child seat device

9. 6322142 - Child seat with inclination indicator

10. 6223403 - Locking device for child seat

11. 6193312 - Seating board for child occupant and child seat

12. 6053573 - Child seat

13. 6045184 - Child seat

14. 6019426 - Child seat

15. 5979982 - Child seat

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as of
1/8/2026
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