OK

Osamu Kawasaki

Sumitomo Electric Industries: 45 patents #198 of 21,551Top 1%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HC Hokuriku Electric Industry Co.: 2 patents #29 of 104Top 30%
AC Anden Co.: 1 patents #53 of 95Top 60%
WC West Electric Co.: 1 patents #41 of 78Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Techno Engineering Co.: 1 patents #34 of 111Top 35%
JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
📍 Toyama, JP: #24 of 1,699 inventorsTop 2%
Overall (All Time): #41,791 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
6154940 Electronic part and a method of production thereof Keiji Onishi, Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi +2 more 2000-12-05
6150903 Piezoelectric filter, its manufacturing method, and intermediate frequency filter Yasuteru Asakawa, Toshio Ishizaki, Toru Yamada 2000-11-21
6111338 Acceleration sensor and method for producing the same Tetsuro Otsuchi, Hidenobu Shintaku, Shigeo Suzuki, Takahiro Nishikura, Katsumi Imada +3 more 2000-08-29
6098460 Acceleration sensor and shock detecting device using the same Tetsuro Otsuchi, Masato Sugimoto, Tetsuyoshi Ogura, Yoshihiro Tomita 2000-08-08
6087760 Ultrasonic transmitter-receiver Takeshi Yamaguchi, Masahiro Takada, Noboru Nomura, Hirotaka Ishihara 2000-07-11
6084336 Piezoelectric transformer Katsunori Moritoki, Hiroshi Nakatsuka 2000-07-04
6069359 Pyroelectric IR sensor Katsumi Imada, Takahiro Nishikura 2000-05-30
6050144 Acceleration sensor Tetsuro Otsuchi, Katsu Takeda, Katsunori Moritoki, Junichi Kato, Kouji Kawakita +1 more 2000-04-18
6043725 Filter circuit having plural passing bands Yutaka Taguchi, Kazuo Eda, Shun-ichi Seki, Keiji Onishi, Hiroki Sato 2000-03-28
6028398 Cold cathode fluorescent lamp driving apparatus using a piezoelectric transformer Hiroshi Iwata, Kazuou Murata, Hiroshi Makino, Wataru Hasegawa 2000-02-22
5998907 Surface acoustic wave devices and their manufacturing method Yutaka Taguchi, Kazuo Eda, Yosihiro Tomita, Keiji Onishi, Shun-ichi Seki +3 more 1999-12-07
5994821 Displacement control actuator Katsumi Imada, Tetsuro Otsuchi, Masato Sugimoto, Yoshihiro Tomita 1999-11-30
5986522 Piezoelectric filter of the ladder type Yasuteru Asakawa, Toshio Ishizaki, Tomoki Uwano, Yukihiko Ise, Toru Yamada +1 more 1999-11-16
5929555 Piezoelectric resonator and method for fabricating the same Masato Sugimoto, Katsu Takeda, Yoshihiro Tomita 1999-07-27
5920142 Electronic part and a method of production thereof Keiji Onishi, Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi +2 more 1999-07-06
5854528 Ultrasonic motor Takahiro Nishikura, Masanori Sumihara, Takashi Nojima 1998-12-29
5796213 Inverter power source apparatus using a piezoelectric transformer 1998-08-18
5739532 Pyroelectric IR sensor Katsumi Imada, Takahiro Nishikura 1998-04-14
5729186 Resonator ladder surface acoustic wave filter suppressing spurious signals Shun-ichi Seki, Kazuo Eda, Yutaka Taguchi, Keiji Onishi, Hiroki Sato 1998-03-17
5644199 Method for driving an ultrasonic motor Takashi Nojima, Masanori Sumihara, Tetsuro Otsuchi, Takahiro Nishikura, Katsu Takeda +1 more 1997-07-01
5521457 Holding structure for a piezoelectric vibrator Hidenobu Shintaku, Shigeo Suzuki, Masahiro Nagasawa, Hiroshi Fukushima, Hirofumi Tajika 1996-05-28
5461273 Method and an apparatus for controlling a moving velocity of an ultrasonic motor Masanori Sumhara, Tetsuro Ohtsuchi, Takahiro Nishikura, Takashi Nojima 1995-10-24
5457351 Ultrasonic motor Takahiro Nishikura, Katsu Takeda, Masanori Sumihara 1995-10-10
5448129 Ultrasonic motor with vibrating body and moving body driven thereby Masanori Sumihara, Katsu Takeda, Takahiro Nishikura 1995-09-05
5438229 Ultrasonic motor and ultrasonic motor control method Tetsuro Ohtsuchi, Masanori Sumihara, Takahiro Nishikura, Katsu Takeda, Takashi Nojima +1 more 1995-08-01