SF

Sumio Furukawa

JC Jidosha Denki Kogyo Co.: 3 patents #19 of 121Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #1,284,930 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5777411 Geared electric motor Fumio Nakajima, Takeo Furuya, Toshihiro Negishi 1998-07-07
5714826 Electric motor Kunihiro Noto, Masaru Watanabe, Koji Nosaka 1998-02-03
5650677 Electric motor with breather Mitsushiro Shimura, Shigenori Watanuki 1997-07-22
4233669 Redundant bubble memory control system Kazuo Furukawa 1980-11-11