RK

Ryozo Koyama

HC Hirose Electric Co.: 16 patents #8 of 407Top 2%
MS Morita Seisakusho: 1 patents #53 of 109Top 50%
Overall (All Time): #272,340 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10908368 Optical cable connection structure and optical cable connection method Takeshi Yamazaki, Kentaro Ishii, Hiroshi TANOOKA 2021-02-02
9893450 Electrical connecting member and electrical connector having the same 2018-02-13
7850477 Connector Akihiro Kodama, Tadashi Sakaizawa 2010-12-14
7771236 Electrical connector Eiji Wakatsuki 2010-08-10
D607823 Electrical connector Akihiro Kodama, Tadashi Sakaizawa 2010-01-12
D589448 Electrical connector 2009-03-31
D584691 Electrical connector Yousuke Takeuchi 2009-01-13
D584692 Electrical connector Yousuke Takeuchi 2009-01-13
7416446 Connector Eiji Wakatsuki 2008-08-26
7329154 Electrical connector having terminals arranged with narrow pitch 2008-02-12
6382983 Module mounting system Tsuyoshi Sakata 2002-05-07
6334789 Surface-mount connector 2002-01-01
5938464 Circuit board electrical connector with latch Yutaka Ichimura 1999-08-17
5902105 Dental treatment apparatus with a root canal length measurement function Yoshio Uejima, Kazunari Matoba, Masanobu Yoshida, Masaru Okumura 1999-05-11
5888086 Electrical connector Hirokatsu Yaegashi, Kenichi Yamaguchi 1999-03-30
5836780 Card edge connector Akinori Mizumura, Hirokatsu Yaegashi 1998-11-17
5641295 Modular board electrical connector 1997-06-24