Growing community of inventors

Kyoto, Japan

Ryouhei Ohi

Average Co-Inventor Count = 5.70

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 = 1

Ryouhei OhiYuusuke Furuichi (3 patents)Ryouhei OhiOsamu Saito (2 patents)Ryouhei OhiYasuhide Ohkubo (2 patents)Ryouhei OhiTakafumi Miyazaki (2 patents)Ryouhei OhiKenji Nakamura (1 patent)Ryouhei OhiKaoru Tada (1 patent)Ryouhei OhiKazuyoshi Kondo (1 patent)Ryouhei OhiTomofumi Yoshida (1 patent)Ryouhei OhiRyuji Inoue (1 patent)Ryouhei OhiTetsumaru Fujita (1 patent)Ryouhei OhiShintaro Yamada (1 patent)Ryouhei OhiYuuji Meguro (1 patent)Ryouhei OhiYoshihiro Fukuhata (1 patent)Ryouhei OhiKimihiro Tanaka (1 patent)Ryouhei OhiYuuki Shiga (1 patent)Ryouhei OhiToru Hanashima (1 patent)Ryouhei OhiHidekazu Shono (1 patent)Ryouhei OhiRie Mitani (1 patent)Ryouhei OhiKei Hasegawa (1 patent)Ryouhei OhiRyouhei Ohi (4 patents)Yuusuke FuruichiYuusuke Furuichi (103 patents)Osamu SaitoOsamu Saito (61 patents)Yasuhide OhkuboYasuhide Ohkubo (30 patents)Takafumi MiyazakiTakafumi Miyazaki (22 patents)Kenji NakamuraKenji Nakamura (103 patents)Kaoru TadaKaoru Tada (69 patents)Kazuyoshi KondoKazuyoshi Kondo (54 patents)Tomofumi YoshidaTomofumi Yoshida (50 patents)Ryuji InoueRyuji Inoue (35 patents)Tetsumaru FujitaTetsumaru Fujita (34 patents)Shintaro YamadaShintaro Yamada (28 patents)Yuuji MeguroYuuji Meguro (26 patents)Yoshihiro FukuhataYoshihiro Fukuhata (23 patents)Kimihiro TanakaKimihiro Tanaka (14 patents)Yuuki ShigaYuuki Shiga (12 patents)Toru HanashimaToru Hanashima (12 patents)Hidekazu ShonoHidekazu Shono (8 patents)Rie MitaniRie Mitani (7 patents)Kei HasegawaKei Hasegawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (4 from 28,566 patents)


4 patents:

1. 9971269 - Discharging method for latent image bearer and image forming apparatus

2. 9201393 - Toner container, process cartridge, and image forming apparatus

3. 8953975 - Seal and image forming device including a seal

4. 8582999 - Process cartridge and electrophotographic apparatus having electrical connection

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as of
12/26/2025
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