TY

Tetsu Yamamoto

Mitsubishi Electric: 20 patents #993 of 25,717Top 4%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Hoechst Gmbh: 6 patents #638 of 4,020Top 20%
CG Celanese Ventures Gmbh: 2 patents #14 of 50Top 30%
CL Clariant: 1 patents #240 of 540Top 45%
BG Basf Fuel Cell Gmbh: 1 patents #31 of 49Top 65%
SA Sgl Carbon Ag: 1 patents #35 of 113Top 35%
Overall (All Time): #79,729 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
5130873 Head positioning apparatus for disc unit Takashi Yumura, Manabu Ogura 1992-07-14
5105419 Carriage assembly Manabu Ogura, Takashi Yumura 1992-04-14
5099352 Reflector oscillating apparatus Takaharu Ueda, Daisuke Ogata, Kiyoshi Funai, Takashi Yumura, Shigeki Mizuno 1992-03-24
5079660 Magnetic head suspension assembly for reducing vibration effects Takashi Yumura, Takaharu Ueda, Mayumi Nakazawa, Shigeki Mizuno 1992-01-07
5027340 Object lens head assembly Takashi Yumura 1991-06-25
4961118 Document scanner driven by electromagnetic actuators Takaharu Ueda, Manabu Ogura, Takashi Yumura 1990-10-02
4943147 Chopping secondary mirror system Shigeki Mizuno, Takaharu Ueda, Takashi Yumura 1990-07-24
4940924 Positioning control apparatus Shigeki Mizuno, Takaharu Ueda 1990-07-10
4910486 Electromagnetic drive actuator Takashi Yumura, Manabu Ogura 1990-03-20
4862441 Carriage assembly Takashi Yumura 1989-08-29
4823219 Carriage recording head sandwiched by electromagnetic coil sections Takaharu Ueda, Takashi Yumura, Kiyosi Funai 1989-04-18
4819109 Slidable carriage mount for disc memory apparatus Sadao Okada, Takashi Yumura 1989-04-04
4819110 Disk drive head actuator and mounting arrangement therefor Kiyoshi Funai, Nobuaki Maeda, Hiroshi Imai, Kouichi Yoshioka 1989-04-04
4819106 Head positioning assembly for magnetic disc apparatus Takaharu Ueda, Takashi Yumura, Kiyosi Funai 1989-04-04
4740946 Data converter pickup carriage assembly Takashi Yumura, Kiyosi Funai, Sadao Okada 1988-04-26