KA

Kazuhiro Arakawa

Canon: 3 patents #11,241 of 19,416Top 60%
CK Ckd: 2 patents #99 of 332Top 30%
OC Octec: 2 patents #6 of 42Top 15%
AD Advantest: 1 patents #714 of 1,193Top 60%
Overall (All Time): #865,769 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7942647 Pump for supplying chemical liquids Katsuya Okumura, Shigenobu Itoh, Kazuhiro Sugata 2011-05-17
7766341 Seal structure, fluid device, integrated valve, and sealing member Katsuya Okumura, Shoichi Kitagawa, Shigenobu Itoh, Kazuhiro Sugata, Hiroshi Tomita 2010-08-03
7262410 Sample observing apparatus and sample observing method Masahiro Seyama, Masayuki Kuribara, Toshihiko Hara, Toshimichi Iwai 2007-08-28
4646062 Key input device 1987-02-24
4527862 Liquid crystal display keyboard 1985-07-09
D269278 Desk-top electronic calculator Eiichi Yoshioka 1983-06-07