RK

Ryuji Kawamoto

OM Omron: 6 patents #499 of 3,089Top 20%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #620,352 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11742739 Gimmick device 2023-08-29
11658548 Voice coil motor 2023-05-23
8367280 Color filter and photomask to be employed for the manufacture of color filter Atsuko Kamada, Junichi Shiraishi 2013-02-05
7581276 Cleaning pad, laminated body of a cleaning pad and cleaning tool Makoto Endo 2009-09-01
7289696 Optical switch device Eiji Fujisawa, Toshifumi Tsuruta, Yoichi Nakanishi, Yuichi Suzuki 2007-10-30
7194153 Optical switch device Masao Yajima, Hidekazu Yoneyama, Sadayoshi Yasuda, Yuji Fujita, Yoichi Nakanishi +1 more 2007-03-20
7095919 Optical switch Kazuki Fukuda, Hirokazu Tanaka, Tetsuya Onishi, Kiyoshi Imai, Yoichi Nakanishi +1 more 2006-08-22
6535159 Immersion object detection system and method Tadao Nishiguchi, Hiroshi Shimamoto 2003-03-18