RK

Ryoji Kikuchi

FC Fuji Manufacturing Co.: 3 patents #6 of 29Top 25%
FL Fujitsu Component Limited: 3 patents #142 of 281Top 55%
PE Pentax: 1 patents #515 of 761Top 70%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
Overall (All Time): #655,134 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7887393 Moving mechanism for blast gun for blasting machine Keiji Mase 2011-02-15
7695349 Apparatus for supplying constant quantity of abrasive Keiji Mase 2010-04-13
7695350 Apparatus for supplying constant amount of abrasives Keiji Mase 2010-04-13
7499025 Pressing direction sensor and input device using the same Michiko Endo, Yuriko Nishiyama, Norio Endo 2009-03-03
6937226 Input device and pointer control method Satoshi Sakurai, Nobuo Yatsu, Michiko Endo, Yuriko Nishiyama, Norio Endo 2005-08-30
6787865 Pressing direction sensor and input device using the same Michiko Endo, Yuriko Nishiyama, Norio Endo 2004-09-07
RE35142 Fluorescent lamp having three electrodes for starting at low temperatures Shinyu Ikeda, Masataka Nishiyama 1996-01-09
5081395 Fluorescent lamp having three electrodes for starting at low temperatures Shinyu Ikeda, Masataka Nishiyama 1992-01-14