Growing community of inventors

Tokyo, Japan

Toshihiro Hamamura

Average Co-Inventor Count = 1.31

ph-index = 13

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 = 590

Toshihiro HamamuraTakeshi Matsushita (4 patents)Toshihiro HamamuraTetsuo Hosokawa (4 patents)Toshihiro HamamuraTadahisa Ohkura (4 patents)Toshihiro HamamuraShigeru Iwamoto (3 patents)Toshihiro HamamuraMasaaki Kabumoto (3 patents)Toshihiro HamamuraMasahiro Kurita (3 patents)Toshihiro HamamuraMasateru Kohno (3 patents)Toshihiro HamamuraHidefumi Kaneko (3 patents)Toshihiro HamamuraShoichi Hibi (3 patents)Toshihiro HamamuraYoshihisa Minagawa (3 patents)Toshihiro HamamuraKanako Hirasawa (3 patents)Toshihiro HamamuraHiroyuki Takahashi (2 patents)Toshihiro HamamuraShigenori Fujio (2 patents)Toshihiro HamamuraTakashi Enomoto (1 patent)Toshihiro HamamuraGoro Katsuyama (1 patent)Toshihiro HamamuraTomoko Takahashi (1 patent)Toshihiro HamamuraDaisuke Tomita (1 patent)Toshihiro HamamuraNaomi Sugimoto (1 patent)Toshihiro HamamuraHideki Kosugi (1 patent)Toshihiro HamamuraIsamu Hirai (1 patent)Toshihiro HamamuraYuuji Wada (1 patent)Toshihiro HamamuraMasakazu Saori (1 patent)Toshihiro HamamuraTakaya Muraishi (1 patent)Toshihiro HamamuraMasahiro Koinuma (1 patent)Toshihiro HamamuraTeppei Okamoto (1 patent)Toshihiro HamamuraYasunari Harada (1 patent)Toshihiro HamamuraKunihiko Nishioka (1 patent)Toshihiro HamamuraToshihiko Kawa (1 patent)Toshihiro HamamuraSatoru Horita (1 patent)Toshihiro HamamuraTomohiko Kanzaki (1 patent)Toshihiro HamamuraYasukazu Kitamura (1 patent)Toshihiro HamamuraYu Yoneda (1 patent)Toshihiro HamamuraToshihiro Hamamura (50 patents)Takeshi MatsushitaTakeshi Matsushita (27 patents)Tetsuo HosokawaTetsuo Hosokawa (20 patents)Tadahisa OhkuraTadahisa Ohkura (17 patents)Shigeru IwamotoShigeru Iwamoto (42 patents)Masaaki KabumotoMasaaki Kabumoto (39 patents)Masahiro KuritaMasahiro Kurita (28 patents)Masateru KohnoMasateru Kohno (18 patents)Hidefumi KanekoHidefumi Kaneko (17 patents)Shoichi HibiShoichi Hibi (11 patents)Yoshihisa MinagawaYoshihisa Minagawa (8 patents)Kanako HirasawaKanako Hirasawa (5 patents)Hiroyuki TakahashiHiroyuki Takahashi (19 patents)Shigenori FujioShigenori Fujio (7 patents)Takashi EnomotoTakashi Enomoto (96 patents)Goro KatsuyamaGoro Katsuyama (95 patents)Tomoko TakahashiTomoko Takahashi (65 patents)Daisuke TomitaDaisuke Tomita (62 patents)Naomi SugimotoNaomi Sugimoto (56 patents)Hideki KosugiHideki Kosugi (54 patents)Isamu HiraiIsamu Hirai (54 patents)Yuuji WadaYuuji Wada (40 patents)Masakazu SaoriMasakazu Saori (38 patents)Takaya MuraishiTakaya Muraishi (29 patents)Masahiro KoinumaMasahiro Koinuma (24 patents)Teppei OkamotoTeppei Okamoto (20 patents)Yasunari HaradaYasunari Harada (17 patents)Kunihiko NishiokaKunihiko Nishioka (15 patents)Toshihiko KawaToshihiko Kawa (12 patents)Satoru HoritaSatoru Horita (10 patents)Tomohiko KanzakiTomohiko Kanzaki (8 patents)Yasukazu KitamuraYasukazu Kitamura (3 patents)Yu YonedaYu Yoneda (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Asahi Kogaku Kogyo Kabushiki Kaisha (25 from 3,132 patents)

2. Pentax Corporation (9 from 1,056 patents)

3. Ricoh Company, Ltd. (7 from 28,566 patents)

4. Hoya Corporation (7 from 2,529 patents)

5. Asahi Kogaku Kogyo K.k. (2 from 176 patents)


50 patents:

1. D1082891 - Underwater case for digital camera

2. D1046853 - Display

3. 11647170 - Image projection device

4. D972008 - Printer

5. D963735 - Projector

6. D956137 - Image forming unit for printer

7. D955470 - Image forming unit for printer

8. 7990458 - Digital camera

9. 7961250 - Photographing apparatus having an exposure mode selection function

10. 7889246 - Photographing apparatus

11. 7839436 - Photographing apparatus with setting for white balance adjustment

12. 7764318 - Photographing apparatus having a white balance adjustment function

13. 7625143 - Camera system

14. 7539409 - Camera having cross-shaped operation member

15. D588179 - Digital camera

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