HS

Hiroyuki Sugimoto

Ricoh Company: 24 patents #864 of 9,818Top 9%
SC Sumitomo Chemical: 14 patents #299 of 4,033Top 8%
SE Seiko Epson: 12 patents #1,551 of 7,774Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
SC Shinagawa Refractories Co.: 5 patents #9 of 162Top 6%
SO Sony: 4 patents #8,966 of 25,231Top 40%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
Kyocera: 2 patents #1,365 of 3,732Top 40%
RK Riso Kagaku: 2 patents #230 of 551Top 45%
OM Okamura Oil Mill: 1 patents #8 of 16Top 50%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
NS Nippon Sanso: 1 patents #107 of 243Top 45%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
WK Wakunaga Seiyaku Kabushiki Kaisha: 1 patents #36 of 78Top 50%
Overall (All Time): #26,873 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 51–73 of 73 patents

Patent #TitleCo-InventorsDate
5926669 Image forming apparatus and method of forming an image with enhanced transfer condition settings Naoko Iwata 1999-07-20
5923928 Dustless toner image transfer apparatus and method 1999-07-13
5840229 Method for producing molded article by powder slush molding a thermoplastic elastomer powder Yoshihiro Nakatsuji, Toshio Igarashi, Shigeo Tanaka 1998-11-24
5731249 Spray-on refractory composition Tasuku Matsuda, Koichi Tanaka, Hiroshi Takenaka 1998-03-24
5663210 Polyethylenic foaming compositions and molded foams Toshio Igarashi, Yoshihiro Nakatsuji, Masayuki Tatsumi, Kenzou Chikanari, Satoru Funakoshi 1997-09-02
5656349 Magnetic disk, method of manufacturing the same and magnetic disk apparatus including the magnetic disk Kenichi Gomi, Hideaki Tanaka, Shoichi Sawahata, Masaki Ohura, Yoshihiko Miyake +4 more 1997-08-12
5636081 Magnetic disc apparatus and magnetic disc Teruyoshi Higashiya, Tuneyuki Hasegawa, Masayuki Katsumoto, Yuichi Otani, Mituhiko Oguchi +4 more 1997-06-03
5576080 Polyethylenic foaming compositions and molded foams Toshio Igarashi, Yoshihiro Nakatsuji, Masayuki Tatsumi, Kenzou Chikanari, Satoru Funakoshi 1996-11-19
5549095 Power train having supercharged engine Tsuyoshi Goto 1996-08-27
5510886 Image forming apparatus having an intermediate image carrier Miki Kai, Makoto Arai 1996-04-23
5454700 Bearing support for a lysholm compressor Yuichi Iguchi, Shigeru Takabe, Hidetsugu Matsubara, Tsuyoshi Goto, Yoshiyuki Miyagi 1995-10-03
5270039 Method for suppressing mycotic infection in garlic and microorganisms used therefor Sung Joon YOO, Kiroku Kobayashi, Akira Ogoshi, Yoshio Kajimura 1993-12-14
4957079 Camshaft structure for double overhead camshaft engine Shigeki Nakatani, Naohide Koshimoto 1990-09-18
4879192 Secondary cell Shigeoki Nishimura, Kazunori Fujita, Atsuko Tohyama, Noboru Ebato, Shinpei Matsuda 1989-11-07
4789652 Basic refractory composition Kenji Ichikawa, Ryosuke Nakamura, Akihiro Morita 1988-12-06
4615953 Lining structure composition for a tundish Kenji Ichikawa, Ryosuke Nakamura, Takashi Yamamura, Kenji Mitsuhata 1986-10-07
4559284 Secondary battery Shigeoki Nishimura, Kazunori Fujita, Atsuko Tohyama, Noboru Ebato, Shinpei Matsuda 1985-12-17
4546291 Focus circuit for multi-tube image pick-up apparatus Yoshihiro Morioka 1985-10-08
4518665 Sheet-shaped polymer secondary battery of layer built type Kazunori Fujita, Shigeoki Nishimura, Noboru Ebato, Shinpei Matsuda 1985-05-21
4488085 Image pick-up tube arrangement Takashi Nakamura, Yoshihiro Morioka 1984-12-11
4486545 SIO.sub.2 -CaO Based low cubically expansive flame-spraying material Kazuo Fukaya, Yoji Koguchi 1984-12-04
4298391 Hot repair gun refractory mix for a lining refractory Masahiro Hayase, Mitsuteru Takemoto 1981-11-03
4229356 Production of vitamin K.sub.1 and vitamin K.sub.2 Iwao Tabushi, Akira Yazaki 1980-10-21