Growing community of inventors

Tokyo, Japan

Yutaka Okumura

Average Co-Inventor Count = 1.45

ph-index = 3

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 = 350

Yutaka OkumuraYutaka Yokoyama (1 patent)Yutaka OkumuraAkitoshi Oikawa (1 patent)Yutaka OkumuraMasayuki Sumi (1 patent)Yutaka OkumuraMakio Kida (1 patent)Yutaka OkumuraJunichiro Matsuura (1 patent)Yutaka OkumuraTomoyuki Sakurai (1 patent)Yutaka OkumuraNaoji Ozaki (1 patent)Yutaka OkumuraShigemitsu Aoki (1 patent)Yutaka OkumuraAkihito Hiroyoshi (1 patent)Yutaka OkumuraYutaka Okumura (5 patents)Yutaka YokoyamaYutaka Yokoyama (65 patents)Akitoshi OikawaAkitoshi Oikawa (25 patents)Masayuki SumiMasayuki Sumi (7 patents)Makio KidaMakio Kida (4 patents)Junichiro MatsuuraJunichiro Matsuura (3 patents)Tomoyuki SakuraiTomoyuki Sakurai (2 patents)Naoji OzakiNaoji Ozaki (2 patents)Shigemitsu AokiShigemitsu Aoki (1 patent)Akihito HiroyoshiAkihito Hiroyoshi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (4 from 264 patents)

2. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)


5 patents:

1. 6672962 - Gun-shaped controller and game device

2. D405476 - Video game machine

3. D401631 - Combined set of control panel and joy sticks for a video game machine

4. D386217 - Simulation shooting game machine

5. D376391 - Simulation game machine

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