Growing community of inventors

Sendai, Japan

Sigenobu Irokawa

Average Co-Inventor Count = 11.00

ph-index = 1

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 = 2

Sigenobu Irokawa ↔ Kazuyoshi Kobayashi (1 patent)Sigenobu Irokawa ↔ Takayuki Onodera (1 patent)Sigenobu Irokawa ↔ Toshimitsu Okubo (1 patent)Sigenobu Irokawa ↔ Kohki Ohmura (1 patent)Sigenobu Irokawa ↔ Nobuyuki Hoshi (1 patent)Sigenobu Irokawa ↔ Toshiaki Sannohe (1 patent)Sigenobu Irokawa ↔ Yukihiko Yoshino (1 patent)Sigenobu Irokawa ↔ Yoshinobu Sai (1 patent)Sigenobu Irokawa ↔ Takuo Satoh (1 patent)Sigenobu Irokawa ↔ Yasuo Endoh (1 patent)Sigenobu IrokawaSigenobu Irokawa (1 patent)Kazuyoshi KobayashiKazuyoshi Kobayashi (7 patents)Takayuki OnoderaTakayuki Onodera (4 patents)Toshimitsu OkuboToshimitsu Okubo (3 patents)Kohki OhmuraKohki Ohmura (3 patents)Nobuyuki HoshiNobuyuki Hoshi (2 patents)Toshiaki SannoheToshiaki Sannohe (2 patents)Yukihiko YoshinoYukihiko Yoshino (2 patents)Yoshinobu SaiYoshinobu Sai (2 patents)Takuo SatohTakuo Satoh (1 patent)Yasuo EndohYasuo Endoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,546 patents)


1 patent:

1. 4919045 - Offset printer having a press drum larger than its rubber drum

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