HM

Hideo Maeda

Ricoh Company: 17 patents #1,283 of 9,818Top 15%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
ZS Zaidan Hojin Handotai Kenkyu Shinkokai: 2 patents #7 of 34Top 25%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
KA Kao: 1 patents #1,961 of 3,221Top 65%
RE Resonac: 1 patents #191 of 474Top 45%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
Overall (All Time): #69,898 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5278817 Optical pick-up for use with an opto-magnetic signal Shigeru Ohuchida, Junichi Kitabayashi 1994-01-11
5115423 Optomagnetic recording/reproducing apparatus Shigeru Ohuchida, Junichi Kitabayashi 1992-05-19
5107477 Integrated optical pick-up device Kazuhiro Fujita, Toshiyuki Inokuchi, Nobuyuki Baba, Shigeru Ohuchida 1992-04-21
5101389 Optical information recording/reproducing apparatus Shigeru Ohuchida, Junichi Kitabayashi 1992-03-31
5097462 Integrated optical pick-up device Kazuhiro Fujita, Toshiyuki Inokuchi, Nobuyuki Baba, Shigeru Ohuchida 1992-03-17
5093749 Diffraction grating having incident and emitting side gratings 1992-03-03
5065206 Photoelectric converting device with accumulating gate region Jun-ichi Nishizawa, Takashige Tamamushi 1991-11-12
5060212 Integrated optical pick-up device Kazuhiro Fujita, Toshiyuki Inokuchi, Nobuyuki Baba, Shigeru Ohuchida 1991-10-22
5029154 Optical reproducing apparatus Yuji Sumi 1991-07-02
5019464 Molten carbonate fuel battery with electrolyte migration control Kenro Mitsuda, Hiroaki Urushibata, Toshiaki Murahashi 1991-05-28
4952996 Static induction and punching-through photosensitive transistor devices Jun-ichi Nishizawa, Takashige Tamamushi 1990-08-28
4935911 Optical head device for recording and reproducing information Shigeru Ohuchida, Toshiyuki Inokuchi, Nobuyuki Baba, Kazuhiro Fujita 1990-06-19
4869075 Air conditioner Yoshiki Ikari, Tadashi Hori, Fujio Suzuki, Shyozi Tsunekawa, Wazoh Yamada 1989-09-26
4847167 Fiber-reinforced metallic composite material Ken-ichi Nishio 1989-07-11
4793148 Air conditioning apparatus Yoshiki Ikari, Masanori Akutsu, Wazoh Yamada 1988-12-27
4697165 Ceramic heater and a method of manufacturing the same Fujio Ishiguro 1987-09-29
4669534 Air conditioner Tadashi Hori, Tatsuya Tani 1987-06-02
4448404 Device for holding a sheet-like sample Koji Ogawa, Yoshihiko Ohtsuki, Yoshihiko Kudo, Naoto Kihara 1984-05-15