AO

Akio Ogawa

Tdk: 15 patents #373 of 3,796Top 10%
SC Stanley Electric Co.: 12 patents #47 of 1,072Top 5%
OS Olympus Medical Systems: 3 patents #222 of 833Top 30%
AC Asahi Glass Co.: 3 patents #625 of 2,251Top 30%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
AK Asahi Denka Kogyo K.K.: 2 patents #30 of 162Top 20%
AC Acr Co.: 2 patents #2 of 16Top 15%
TC Tsuchiya Mfg. Co.: 1 patents #7 of 40Top 20%
AG Agc: 1 patents #509 of 954Top 55%
AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NI Nitta: 1 patents #106 of 237Top 45%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
Overall (All Time): #73,555 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7023132 Organic EL display element Koichi Takayama, Atsushi NAGASAKI, Yasuro Kingo 2006-04-04
6991513 Magnetic head grinding device and method Kazushige Tohta, Hiroshi Shindo, Osamu Fukuroi, Takashi Fujii 2006-01-31
6767275 Machining apparatus for workpiece and method therefor Hiroshi Shindou, Masahiro Sasaki, Tetsuo Abe, Masaki Kouzu, Masao Yamaguchi 2004-07-27
6758721 Apparatus and method for lapping magnetic heads Hiroshi Shindo 2004-07-06
6623336 Magnetic head polishing device and method thereof Hiroshi Shindou, Masahiro Sasaki, Tetsuo Abe, Masaki Kouzu, Masao Yamaguchi 2003-09-23
6565414 Polishing apparatus for magnetic head and method therefor Tetsuo Abe, Tsugihiro Hasebe, Hiroshi Shindou, Osamu Fukuroi 2003-05-20
6451931 Reaction product of primary and tertiary amine-containing compound, dihydrazide an polyisocyanate Manabu Abe 2002-09-17
6217425 Apparatus and method for lapping magnetic heads Hiroshi Shindou, Tetsuo Abe, Tsugihiro Hasebe 2001-04-17
5558841 Washing/sterilizing apparatus for an endoscope and method for washing/sterilizing its water supplying system Mikihiko Nakagawa, Daisaku Negoro, Nobuyuki Nakanishi, Manabu Yajima, Toshihara Kinoshita 1996-09-24
5441848 Optical recording/reproducing method Toshiki Aoi, Atsuko Motai 1995-08-15
5419939 Optical recording disk Hiroyuki Arioka, Toshiki Aoi, Hideki Dohi 1995-05-30
5251356 Device for cleaning pipe passages of medical devices Yoshinao Oaki, Hisao Yabe, Hideo Ito, Koji Koda, Daisaku Negoro +4 more 1993-10-12
5208088 Optical recording medium Junji Tominaga, Hiroyuki Arioka 1993-05-04
D331547 Fire detector Kazuyuki Goto 1992-12-08
5075411 Curable epoxy resin composition for structural parts containing polyamine derived mannich base and novolac or bisphenol F epoxy resin Yukio Ohsaki, Takeichiro Takehara, Tadashi Ashida, Seiichiro Hashimoto 1991-12-24
4977201 Polyvinyl chloride plastisol composition Masahiko Shimada, Kazuhiko Ando 1990-12-11
4724478 Cable television communication system with passive sensor signal path and a subscriber power supply source Akinori Masuko, Yasuhiro Muramatsu, Hideki Hirosawa, Robert M. Rast, W. Sherwood Campbell 1988-02-02