TW

Tetsuo Watanabe

Ricoh Company: 34 patents #505 of 9,818Top 6%
Canon: 27 patents #2,142 of 19,416Top 15%
CC Clarion Co.: 15 patents #28 of 721Top 4%
NI Ngk Insulators: 15 patents #211 of 2,083Top 15%
SO Sony: 10 patents #4,411 of 25,231Top 20%
KT Kabushiki Kaisha Toshiba: 9 patents #3,402 of 21,451Top 20%
ND Nitto Denko: 6 patents #560 of 2,479Top 25%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
TI Toray Industries: 4 patents #687 of 3,690Top 20%
FC Faurecia Clarion Electronics Co.: 3 patents #10 of 101Top 10%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
TS Toshiba Infrastructure Systems & Solutions: 2 patents #94 of 424Top 25%
TC Toppan Printing Co.: 2 patents #414 of 1,467Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
AC Asahi Medical Co.: 1 patents #16 of 62Top 30%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Nsk: 1 patents #937 of 1,559Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
AC Aloka Co.: 1 patents #34 of 94Top 40%
📍 Hasuda, JP: #1 of 75 inventorsTop 2%
Overall (All Time): #8,037 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 126–133 of 133 patents

Patent #TitleCo-InventorsDate
4408909 Printer with cartridge type wheel Kiyomitsu Asano 1983-10-11
4388664 Apparatus for protecting vacuum interrupter type on-line tap changer 1983-06-14
4370393 Solid electrolytes Syunzo Mase, Shigeo Soejima 1983-01-25
4370213 Oxygen sensor Shuichiro Oki 1983-01-25
4366062 Reverse osmosis using a composite isocyanurate membrane Masaru Kurihara, Tetsuo Inoue 1982-12-28
4360598 Zirconia ceramics and a method of producing the same Tadashi Otagiri, Syunzo Mase 1982-11-23
4310255 Printer with cartridge type wheel Kiyomitsu Asano 1982-01-12
4240890 Oxygen partial pressure measuring device suitably adapted for internal combustion engine exhaust gases Shigetaka Wada, Shigeo Soejima 1980-12-23