KY

Koichi Yokoyama

FS Furukawa Automotive Systems: 6 patents #22 of 269Top 9%
SC Sodick Co.: 6 patents #16 of 172Top 10%
FC Furukawa Electric Co.: 6 patents #331 of 2,370Top 15%
SO Sony: 5 patents #7,785 of 25,231Top 35%
MS Mitsubishi Hitachi Power Systems: 3 patents #197 of 970Top 25%
DE Denso: 2 patents #4,986 of 11,792Top 45%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
AK Aprica Kassai Kabushikikaisha: 1 patents #12 of 21Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
BA Babcock-Hitachi: 1 patents #209 of 415Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #127,170 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6480082 Circuit breaker Kazuya Aihara, Terumi Shimano, Eietsu Sato, Yukihide Yamada, Toru Ohshima +2 more 2002-11-12
5366366 Injection molding machine having a machine screw driving gear 1994-11-22
5364255 Screw position adjusting device for an injection molding machine 1994-11-15
4652437 Process for producing anhydrous sodium carbonate Keiichi Nakaya, Kunio Tanaka 1987-03-24