YW

Yoshio Watanabe

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
Fujitsu Limited: 15 patents #1,986 of 24,456Top 9%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
Ricoh Company: 13 patents #1,714 of 9,818Top 20%
SO Sony: 6 patents #6,793 of 25,231Top 30%
DI Disco: 5 patents #127 of 708Top 20%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
Kawasaki: 5 patents #446 of 2,943Top 20%
SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
KS Kabushiki Kaisha Machida Seisakusho: 3 patents #3 of 17Top 20%
IC Ikeda Bussan Co.: 2 patents #63 of 235Top 30%
SC Shinko Electric Industries Co.: 2 patents #315 of 723Top 45%
U.S. Philips: 2 patents #2,537 of 8,851Top 30%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
3M: 1 patents #7,233 of 11,543Top 65%
TI Toyota Industries: 1 patents #505 of 955Top 55%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
AK Aisin Seiki K.K.: 1 patents #35 of 97Top 40%
AY Apic Yamada: 1 patents #20 of 52Top 40%
DG Dr. Johannes Heidenhain Gmbh: 1 patents #209 of 417Top 55%
FK Futaba Denshi Kogyo: 1 patents #54 of 123Top 45%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
ME Mecta: 1 patents #38 of 74Top 55%
NC Nissei Plastic Industrial Co.: 1 patents #121 of 189Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
TC Takashima & Co.: 1 patents #2 of 6Top 35%
VC V Technology Co.: 1 patents #23 of 67Top 35%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Overall (All Time): #10,345 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 101–118 of 118 patents

Patent #TitleCo-InventorsDate
4745509 Magnetic head with improved supporter for perpendicular magnetization recording Yasuhiko Nakayama, Nobuaki Furuya, Hiroshi Miyama 1988-05-17
4721098 Guiding and/or measuring instrument for endoscope apparatus 1988-01-26
4715054 Plasma x-ray source Yasuo Kato, Kunio Harada, Shigeo Kubota, Seiichi Murayama 1987-12-22
4697121 Low-pressure mercury vapor discharge lamp Yasuo Kato, Tetsuo Ono, Seiichi Murayama, Shigeo Mikoshiba, Hiromitsu Matsuno 1987-09-29
4685551 Delivery apparatus Yoshinobu Ono 1987-08-11
4682080 Discharge lamp operating device Soichiro Ogawa 1987-07-21
4672494 Magnetic head for effecting perpendicular magnetic recording Nobuaki Furuya, Yasuhiko Nakayama 1987-06-09
4627086 Plasma X-ray source Yasuo Kato, Seiichi Murayama 1986-12-02
4611148 Low-pressure mercury vapor discharge lamp Yasuo Kato, Tetsuo Ono, Seiichi Murayama, Shigeo Mikoshiba, Hiromitsu Matsuno 1986-09-09
4587444 Variable-threshold-type differential signal receiver Shinji Emori 1986-05-06
4587453 Low-pressure mercury vapor discharge lamp Tetsuo Ono, Hiromitsu Matsuno, Yasuo Kato, Seiichi Murayama, Shigeo Mikoshiba 1986-05-06
4532898 Fuel injection type internal combustion engine Kizo Hayakawa, Nobuyuki Mori, Kazumi Nakashima 1985-08-06
4503359 Discharge lamp lighting device Hiroyuki Iyama 1985-03-05
4447763 Discharge lamp lighting device Hiroyuki Iyama 1984-05-08
4445074 Starting circuits for discharge lamps 1984-04-24
4438373 Low pressure metal vapor discharge lamp Mikiya Yamane, Teruichi Tomura 1984-03-20
4420223 Optical apparatus having a mirror Nobuo Iijima 1983-12-13
4335331 Low pressure metal vapor discharge lamp Mikiya Yamane, Teruichi Tomura 1982-06-15