KT

Ken Takahashi

HI Hitachi: 44 patents #397 of 28,497Top 2%
HM Hitachi Maxell: 4 patents #247 of 1,211Top 25%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
HG HGST: 2 patents #144 of 483Top 30%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
Overall (All Time): #20,244 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 76–85 of 85 patents

Patent #TitleCo-InventorsDate
4700252 Magnetic thin film head Hiroaki Muraoka, Seishi Sasaki, Hiroshi Youda 1987-10-13
4654739 Thin film magnetic head for reproducing perpendicular magnetization Hiroshi Youda, Seishi Sasaki, Kenji Kanai 1987-03-31
4625520 Superconducting device Yasuomi Yagi, Takeo Nemoto 1986-12-02
4613918 Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device Kenji Kanai, Seishi Sasaki, Ryuji Sugita 1986-09-23
4581501 Ignition distributor for internal combustion engine Ryutarou Jimbou, Yasuo Matsushita, Seiichi Yamada, Hiromitsu Nagae 1986-04-08
4565907 Ignition distributor for internal combustion engine Ryutarou Jimbou, Yasuo Matsushita, Seiichi Yamada, Tetuo Kosugi 1986-01-21
4477488 Method of manufacturing magnetic recording medium Ryuji Sugita, Kenji Kanai, Seishi Sasaki 1984-10-16
4450426 Nonlinear resistor and process for producing the same Tadahiko Miyoshi, Takeo Yamazaki, Kunihiro Maeda, Siniti Oowada 1984-05-22
4425701 Methods of making magnetic recording heads Hiroshi Youda 1984-01-17
4326187 Voltage non-linear resistor Tadahiko Miyoshi, Takeo Yamazaki, Kunihiro Maeda 1982-04-20