TI

Tadao Iwaki

SI Seiko Instruments: 34 patents #30 of 1,437Top 3%
SC Sumitomo Cement Co.: 2 patents #14 of 113Top 15%
SC Sumitomo Osaka Cement Co.: 1 patents #199 of 327Top 65%
Overall (All Time): #104,083 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 25 most recent of 34 patents

Patent #TitleCo-InventorsDate
6519112 Liquid dynamic pressure bearing and spindle motor, hard-disk driving unit, and scanner motor using the bearing 2003-02-11
6384503 Motor Naoki Kawawada, Atsushi Ohta, Koji Nitadori 2002-05-07
6371650 Hydraulic dynamic bearing and spindle motor and rotary assembly provided Hiromitsu Goto, Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki +4 more 2002-04-16
6371649 Method for lubricating a fluid dynamic pressure bearing Naoki Kawawada, Atsushi Ota, Koji Nitadori, Toshiharu Kogure, Hiromitsu Goto +4 more 2002-04-16
6354742 Hydraulic dynamic bearing and spindle motor Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Koji Nitadori, Isamu Takehara +2 more 2002-03-12
6307291 Hydraulic dynamic bearing and spindle motor and rotary assembly provided Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki, Toshiharu Kogure +4 more 2001-10-23
6252322 Spindle motor Naoki Kawawada, Takahumi Suzuki, Hiromitsu Goto 2001-06-26
6247848 Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Koji Nitadori, Isamu Takehara +2 more 2001-06-19
6246139 Spindle motor and method of formation Hiromitsu Goto, Naoki Kawawada, Takafumi Suzuki, Mitsuharu Iwamoto 2001-06-12
6191476 Semiconductor device Kunihiro Takahashi, Mizuaki Suzuki, Tsuneo Yamazaki, Hiroaki Takasu, Kunio Nakajima +3 more 2001-02-20
6187605 Method of forming a semiconductor device for a light valve Hiroaki Takasu, Yoshikazu Kojima, Kunihiro Takahashi, Tsuneo Yamazaki 2001-02-13
6127756 Spindle motor having air dynamic pressure bearing and rotating device having the spindle motor as driving source Kimio Komata 2000-10-03
6116708 Recording systems and recording units employed in the recording systems Satoshi Oohama, Naoki Kawawada, Tatsuru Sato, Kouji Kawaguchi, Seiji Kuwabara +1 more 2000-09-12
6040648 Spindle motor and rotator device Naoki Kawawada, Hiroaki Namiki, Isamu Takehara, Takashi Ishida, Shinichi Hayashizaki +2 more 2000-03-21
5854707 Polarizing type optical apparatus Nobuyuki Kasama, Yasuyuki Mitsuoka, Yukiya Funanami 1998-12-29
5800033 Image projecting apparatus Yukiya Funanami, Yasuyuki Mitsuoka, Nobuyuki Kasama 1998-09-01
5745205 Method of introducing slightly titlting homeotropic orientation into liquid crystal, liquid crystal electro-optical device, and liquid crystal light valve Naoki Kato, Rieko Sekura 1998-04-28
5694182 Optically addressed spatial light modulating system and method for driving the system Yasuyuki Mitsuoka, Nobuyuki Kasama 1997-12-02
5646432 Semiconductor thin film formed on a supporting substrate Tsuneo Yamazaki, Katsuki Matsushita, Shigeru Senbonmatsu, Ryuichi Takano 1997-07-08
5633176 Method of producing a semiconductor device for a light valve Hiroaki Takasu, Yoshikazu Kojima, Kunihiro Takahashi, Tsuneo Yamazaki 1997-05-27
5619596 Method and apparatus for optical pattern recognition Nobuyuki Kasama, Shuhei Yamamoto, Toshiharu Takesue, Yasuhiro Takemura 1997-04-08
5600485 Optical pattern recognition system method of ferroelectric liquid crystal spatial light modulator Yasuyuki Mitsuoka 1997-02-04
5577826 Reflecting type color image projecting apparatus Nobuyuki Kasama, Yasuyuki Mitsuoka, Yukiya Funanami 1996-11-26
5574292 Semiconductor device with monosilicon layer Kunihiro Takahashi, Yoshikazu Kojima, Hiroaki Takasu, Tsuneo Yamazaki 1996-11-12
5555115 Optically addressed spatial light modulating system bias light source and method for driving the system Yasuyuki Mitsuoka, Nobuyuki Kasama 1996-09-10