HO

Hiroshi Ogawa

Fujitsu Limited: 72 patents #107 of 24,456Top 1%
SO Sony: 53 patents #412 of 25,231Top 2%
DE Denso: 25 patents #264 of 11,792Top 3%
Mitsubishi Electric: 23 patents #784 of 25,717Top 4%
NS Nippon Soken: 20 patents #47 of 1,540Top 4%
Canon: 19 patents #3,464 of 19,416Top 20%
MC Mitsubishi Gas Chemical Company: 14 patents #101 of 1,727Top 6%
SM Smc: 14 patents #75 of 737Top 15%
Kyocera: 12 patents #164 of 3,732Top 5%
TC Toyoda Gosei Co.: 12 patents #183 of 2,296Top 8%
OC Omron Healthcare Co.: 11 patents #61 of 475Top 15%
SU Subaru: 11 patents #59 of 1,436Top 5%
NT NTT: 10 patents #481 of 4,871Top 10%
BL Bridgestone Tire Company Limited: 10 patents #9 of 438Top 3%
CI Cheil Industries: 9 patents #91 of 975Top 10%
UN Unknown: 7 patents #1,646 of 83,584Top 2%
DC Dainippon Ink And Chemicals: 6 patents #60 of 1,002Top 6%
Pioneer Electronic: 6 patents #303 of 1,840Top 20%
MM Mitsubishi Mining: 5 patents #132 of 2,247Top 6%
OM Omron: 5 patents #619 of 3,089Top 25%
TO Tosoh: 5 patents #117 of 1,042Top 15%
KR Kawamura Institute Of Chemical Research: 5 patents #6 of 58Top 15%
MC Mizusawa Industrial Chemicals: 5 patents #10 of 90Top 15%
OE Omron Tateisi Electronics: 5 patents #51 of 599Top 9%
CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
NE Nec: 4 patents #3,388 of 14,502Top 25%
Bridgestone: 4 patents #601 of 2,860Top 25%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
OC Otsuka Chemical Co.: 4 patents #39 of 269Top 15%
FI Fujikin Incorporated: 4 patents #95 of 318Top 30%
ME Meidensha: 4 patents #72 of 555Top 15%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
DL Daiichi Radioisotope Laboratories: 3 patents #1 of 42Top 3%
SC Sekisui Chemical Co.: 3 patents #246 of 908Top 30%
PV Pioneer Video: 3 patents #25 of 139Top 20%
Samsung: 3 patents #30,683 of 75,807Top 45%
FM Flying Mole: 3 patents #3 of 3Top 100%
VJ Victor Company Of Japan: 3 patents #389 of 1,489Top 30%
JD Japan Display: 3 patents #648 of 1,204Top 55%
Philips: 3 patents #1,693 of 7,731Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
NI Nidec: 3 patents #315 of 976Top 35%
NC Nippondenso Co.: 3 patents #799 of 3,479Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DI Daicel Chemical Industries: 2 patents #308 of 893Top 35%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
FI Fujikin International: 2 patents #2 of 10Top 20%
AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
MK Mitsubishi Jukogyo K.K.: 2 patents #3 of 59Top 6%
NC Nippon Electric Co.: 2 patents #117 of 792Top 15%
OK Otsuka Kagaku Kabushiki Kaisya: 2 patents #52 of 183Top 30%
PP Pioneer Display Products: 2 patents #16 of 71Top 25%
SO Soken: 2 patents #35 of 182Top 20%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
SC Showa Sangyo Co.: 1 patents #18 of 47Top 40%
MC Mk Seiko Co.: 1 patents #7 of 20Top 35%
CK Calsonic Kansei: 1 patents #307 of 675Top 50%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
TC Taiyo Yuden Co.: 1 patents #643 of 959Top 70%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TK Tokyo Keiki: 1 patents #60 of 166Top 40%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
MW Magnolia White: 1 patents #13 of 61Top 25%
JU Juki: 1 patents #119 of 281Top 45%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
EA Earthclean: 1 patents #8 of 17Top 50%
SU Saga University: 1 patents #48 of 111Top 45%
Pioneer: 1 patents #1,107 of 1,730Top 65%
Overall (All Time): #533 of 4,157,543Top 1%
431
Patents All Time

Issued Patents All Time

Showing 226–250 of 431 patents

Patent #TitleCo-InventorsDate
5750233 Magnetic recording medium Tuneo Yoshida, Shinichi Kato 1998-05-12
5746568 Article combining device Seiichi Sugita, Toshio Sato 1998-05-05
5743720 Scroll compressor with axial biasing Fumiaki Sano, Masayuki Kakuda, Kiyoharu Ikeda, Yoshihide Ogawa, Eiji Watanabe +3 more 1998-04-28
5734957 Image forming apparatus with toner re-use feature Masami Maetani 1998-03-31
5720691 Hydraulic control apparatus for continuously variable transmission Keiji Sato 1998-02-24
5674058 Scroll-type refrigerant compressor Mikio Matsuda, Mitsuo Inagaki, Kazuhide Uchida, Motohiko Ueda, Takeshi Sakai 1997-10-07
5655420 Magnetic tightening tool for preventing overtightening and undertightening Shuhei Ogawa, Tetsuya Kojima, Koichiro Shoda 1997-08-12
5547772 Magnetic recording medium Shinji Saito, Takeshi Kakuta, Hitoshi Noguchi 1996-08-20
5542829 Scroll compressor Mitsuo Inagaki, Mikio Matsuda, Shigeru Hisanaga, Yasuhiro Oki 1996-08-06
5516267 Scroll compressor having a pressure relief mechanism using an oldham coupling Kiyoharu Ikeda, Yoshihide Ogawa, Kazuyuki Akiyama, Fumiaki Sano 1996-05-14
5505596 Scroll type compressor having drain oil tube with flexible and nonflexible portions Toshiyuki Nakamura, Takashi Yamamoto, Norihide Kobayashi, Fumiaki Sano, Masahiko Oide +2 more 1996-04-09
5494421 Scroll compressor having a gear oil pump accommodating reverse rotation Katsuyoshi Wada, Tatsuya Sugita, Masaji Hagiwara, Minoru Ishii, Kiyoharu Ikeda 1996-02-27
5484958 Musical instrument and a method of applying a low impedance amplifier to a musical instrument 1996-01-16
5474434 Scroll-type compressor having radial scroll clearance during reverse rotation and improper assembly prevention Katsuyoshi Wada, Tatsuya Sugita, Masaji Hagiwara, Minoru Ishii, Kiyoharu Ikeda 1995-12-12
5472233 Air bag device for passenger seat Noriyuki Horiuchu, Takashi Kato, Suzuaki Hongon 1995-12-05
5459706 Method and apparatus for detecting a signal Shinichiro Iimura 1995-10-17
5447419 Scroll-type compressor having clearances during reverse rotation and improper assembly prevention Katsuyoshi Wada, Tatsuya Sugita, Masaji Hagiwara, Minoru Ishii, Kiyoharu Ikeda 1995-09-05
5445507 Scroll type compressor having a spacer coupling the fixed scroll to the frames Toshiyuki Nakamura, Takashi Yamamoto, Norihide Kobayashi, Fumiaki Sano, Masahiko Oide +2 more 1995-08-29
5435593 Air bag apparatus Tetsushi Hiramitsu, Itizo Shiga, Tadashi Yamamoto, Takanobu Ikeda, Kozi Sakurai 1995-07-25
5433473 Pad mounting structure for air bag device Tetsushi Hiramitsu, Ichizo Shiga, Tadashi Yamamoto 1995-07-18
5433589 Scroll-type compressor having decreased eccentricity upon reverse rotation Katsuyoshi Wada, Tatsuya Sugita, Masaji Hagiwara, Minoru Ishii, Kiyoharu Ikeda 1995-07-18
5420666 Image forming apparatus having start and stop keys integrally connected in the same matrix circuit Masao Ariga, Hiroyuki Miyake, Katsuichi Shimizu, Hirotoshi Kishi, Takahiko Amanuma +3 more 1995-05-30
5407334 Scroll type compressor having a convex surface on the sub frame bushing Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Norihide Kobayashi, Yoshinori Shirafuji +2 more 1995-04-18
5406538 Optical disk system with table of contents Masahiro Hotori, Yoichiro Sako 1995-04-11
5403171 Scroll compressor Tatsuya Sugita, Takashi Yamamoto, Kenji Suzuki 1995-04-04