Takashi Yamanaka

Sharp Kabushiki Kaisha: 36 patents #317 of 10,731Top 3%

DE Denso: 28 patents #197 of 11,792Top 2%

TC Tanashin Denki Co.: 19 patents #4 of 21Top 20%

Aisin Seiki Kabushiki Kaisha: 10 patents #313 of 3,782Top 9%

Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%

SI Seiko Instruments: 6 patents #265 of 1,437Top 20%

IN Inax: 5 patents #9 of 242Top 4%

NS Nippon Soken: 5 patents #260 of 1,540Top 20%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

SC Sankei Giken Kogyo Co.: 3 patents #2 of 64Top 4%

Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%

EB Ebara: 2 patents #752 of 1,611Top 50%

CC Cemedine Co.: 2 patents #13 of 60Top 25%

NC Nippon Electric Co.: 2 patents #117 of 792Top 15%

NE Newfrey: 1 patents #263 of 476Top 60%

AI Aisin: 1 patents #310 of 1,000Top 35%

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%

AC Aion Co.: 1 patents #10 of 22Top 50%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

TC Tsutsunaka Plastic Industry Co.: 1 patents #2 of 19Top 15%

Overall (All Time): #8,981 of 4,157,543Top 1%

126

Patents All Time

Issued Patents All Time

Showing 126–126 of 126 patents

Patent #	Title	Co-Inventors	Date
4268847	Semiconductor device having an insulated gate type field effect transistor and method for producing the same	Osamu Kurakami, Shigeru Koshimaru	1981-05-19