TW

Toshihiko Watanabe

SO Sony: 15 patents #2,858 of 25,231Top 15%
HC Hitachi Construction Machinery Co.: 6 patents #208 of 1,234Top 20%
MC Mita Industrial Co.: 6 patents #246 of 891Top 30%
KM Kyocera Mita: 5 patents #110 of 763Top 15%
KS Kyocera Document Solutions: 3 patents #862 of 1,545Top 60%
KS Kobe Steel: 3 patents #455 of 1,773Top 30%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
HI Hirata: 2 patents #40 of 174Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KO Konica: 2 patents #962 of 1,958Top 50%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%
CL Copal Company Limited: 1 patents #52 of 139Top 40%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FL Fujitsu General Limited: 1 patents #189 of 325Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
SC Sanken Electric Co.: 1 patents #175 of 315Top 60%
FD Fdk: 1 patents #147 of 324Top 50%
TI Texas Instruments: 1 patents #7,357 of 12,488Top 60%
JA Jatco: 1 patents #458 of 871Top 55%
Overall (All Time): #44,917 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
4503316 DC Welding power supply system Kazuo Murase, Naoki Takeuchi, Tokuji Maruyama 1985-03-05
4396281 Negative film carrier device Katsuhiko Okabe 1983-08-02
4371107 Welding machine Naoki Takeuchi, Soichi Tsuruga, Tadatsugu Koishi 1983-02-01
4342897 Recovery type flux feeding assembly Ryuji Murai, Yoji Ogata, Masashi Nagashima, Mitsurou Soga 1982-08-03
4328412 Motor-driven welding machine Naoki Takenouchi, Mitsurou Soga, Kouji Kawakami 1982-05-04