MY

Masashi Yamamoto

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
SC Sumitomo Chemical: 16 patents #231 of 4,033Top 6%
MI Minolta: 10 patents #190 of 1,109Top 20%
MC Minolta Co.: 10 patents #213 of 1,416Top 20%
Canon: 8 patents #7,260 of 19,416Top 40%
SC Stella Chemifa: 7 patents #11 of 80Top 15%
Nichia: 7 patents #276 of 1,531Top 20%
AK Asahi Kasei Kabushiki Kaisha: 6 patents #45 of 1,220Top 4%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
OC Otsuka Chemical Co.: 3 patents #57 of 269Top 25%
OM Omron: 3 patents #980 of 3,089Top 35%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
TA Toyo Aluminium: 2 patents #48 of 212Top 25%
RS Ricoh Printing Systems: 2 patents #64 of 200Top 35%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
ME Meidensha: 1 patents #255 of 555Top 50%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
IH Ihi: 1 patents #624 of 1,178Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
HS Hitachi Printing Solutions: 1 patents #50 of 99Top 55%
MC Meiji Co.: 1 patents #75 of 202Top 40%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
NS Ns Solutions: 1 patents #19 of 78Top 25%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AC Accuthera: 1 patents #4 of 7Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
SC Saraya Co.: 1 patents #16 of 47Top 35%
Overall (All Time): #10,022 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 76–100 of 119 patents

Patent #TitleCo-InventorsDate
5815396 Vacuum processing device and film forming device and method using same Hideaki Shimamura, Yuji Yoneoka, Shigeru Kobayashi, Satosi Kisimoto, Sunao Matsubara +6 more 1998-09-29
5815775 Color electro-photographic apparatus Toru Miyasaka, Nobuyoshi Hoshi, Seiji Maruo 1998-09-29
5774169 Image forming apparatus Akihito Ikegawa, Isao Doi, Seishi Ojima, Keiko Nagayasu 1998-06-30
5761568 Electro-photographic apparatus having transfer bias control Hideyuki Haragakiuchi, Hiroyuki Tadokoro, Nobuaki Fukasawa, Akira Sasaki, Isamu Terashima 1998-06-02
5729267 Image forming apparatus having image transfer with toner cleaning function Akira Shimada, Hiroyuki Tadokoro 1998-03-17
5707500 Vacuum processing equipment, film coating equipment and deposition method Hideaki Shimamura, Yuji Yoneoka, Shigeru Kobayashi, Satosi Kisimoto, Sunao Matsubara +6 more 1998-01-13
5689777 Image forming apparatus having contact charger Hitoshi Saito, Koji Uno 1997-11-18
5666599 Color electro-photographic printing apparatus Toru Miyasaka, Nobuyoshi Hoshi, Seiji Maruo 1997-09-09
5600420 Image transfer element in a color image forming apparatus Masahiko Saito, Tetsuro Akasaki, Koichi Niwa, Jin Sawahata, Masahiro Nakano +2 more 1997-02-04
5576808 Image forming apparatus having contact charger Akihito Ikegawa 1996-11-19
5576807 Image forming apparatus having a contact type charging device Izumi Osawa, Kazuko Taniguchi 1996-11-19
5557375 Contact type charging device and image forming apparatus having the same Keiko Nagayasu, Akihito Ikegawa, Isao Doi 1996-09-17
5548013 Thermoplastic resin composition Takeshi Fujii 1996-08-20
5541717 Cleaning method for contact charging means in image forming apparatus Hitoshi Saito, Koji Uno, Akihiro Kawasaki 1996-07-30
5504561 Contact charger and image forming apparatus provided with same Akihito Ikegawa, Keiko Nagayasu, Masaki Asano 1996-04-02
5484824 Thermoplastic polypropylene resin composition Hiroomi Abe, Takeshi Fujii, Takeyoshi Nishio, Takao Nomura 1996-01-16
5428091 Thermoplastic resin compositions comprising polyphenylene ether, polyolefins and dinitrodiamines Hiroomi Abe, Takeshi Fujii, Shinichi Yachigo, Hideo Nagasaki, Naoki Inui 1995-06-27
5420201 Thermoplastic resin composition comprising modified polypropylene, anhydride containing copolymer and epoxy containing copolymer Hiroomi Abe, Takeshi Fujii, Shinji Date 1995-05-30
5409991 Thermoplastic propylene resin composition Tatsuyuki Mitsuno, Takeshi Fujii, Kentaro Yamaguchi, Kiyoshi Mitsui 1995-04-25
5402213 Charging device for charging outer surface of photosensitive member including charging member formed by a layer comprising a copolymer of an olefin-type vinyl monomer and a fluorine-contained monomer Akihito Ikegawa, Masaki Asano, Keiko Nagayasu 1995-03-28
5391607 Thermoplastic resin composition Takeshi Fujii 1995-02-21
5385976 Thermoplastic resin composition Motonobu Furuta, Hiroomi Abe, Takeshi Fujii 1995-01-31
5376995 Contact charger having a curved surface Masaki Asano, Keiko Nagayasu, Akihito Ikegawa 1994-12-27
5330269 Package Mamoru Kamada, Masaei Ibi, Tomonobu Sekiguchi, Noboru Andoh, Kenichi Itakura 1994-07-19
5322894 Blended polypropylene-epoxy group containing copolymer thermoplastic resin compositions Takeshi Fujii 1994-06-21