MA

Masayuki Ainoya

HC Hitachi Koki Co.: 16 patents #53 of 888Top 6%
NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%
SC Shinko Metal Products Co.: 1 patents #8 of 14Top 60%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Ibaraki, JP: #397 of 6,779 inventorsTop 6%
Overall (All Time): #220,930 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10889878 Alloy material, contact probe, and connection terminal Toshio Kazama, Yoshihisa Tani, Satoshi Shoji, Teruo Anraku, Tomohiro Kubota +2 more 2021-01-12
9804198 Alloy material, contact probe, and connection terminal Teruo Anraku, Tomohiro Kubota, Kotaro Toyotake, Tomoyuki Minami, Noritoshi Takamura +1 more 2017-10-31
7010242 Image forming apparatus Takashi Suzuki, Junji Shirakawa, Yoshitaka Fujinuma, Koji Kato, Kazuo Sunou 2006-03-07
6640078 Electrophotographic apparatus having a paper holding member Kenji Ishii, Junji Shirakawa, Minoru Seino, Hideki Ando 2003-10-28
D467265 Fixing device Takashi Suzuki, Yoshitaka Fujinuma 2002-12-17
D463818 Developer bottle Yoshitaka Fujinuma, Tomoyoshi Yamazaki 2002-10-01
6341210 Toner cartridge Kenji Nozawa, Yoshitaka Fujinuma, Yuichiro Suzuki 2002-01-22
6285846 Fixing device Takashi Suzuki, Yoshitaka Fujinuma 2001-09-04
6259883 Imaging forming apparatus having a toner exhausting device Hiroshi Tsunoda, Yuichiro Suzuki, Yoshitaka Fujinuma 2001-07-10
D441011 Toner bottle cap Kenji Nozawa, Yoshitaka Fujinuma, Yuichiro Suzuki 2001-04-24
D438892 Photosensitive drum for printer Yuichiro Suzuki, Yoshitaka Fujinuma, Junji Shirakawa 2001-03-13
D413140 Printer for a computer Hideki Ishida, Junichi Suzuki, Junji Shirakawa, Mamoru Takayama 1999-08-24
5937261 Image recording apparatus, and sheet conveying method thereof Junji Shirakawa, Minoru Seino 1999-08-10
5923933 Electrophotographic apparatus Masayasu Anzai, Tsuneaki Kawanishi, Yoshitaka Fujinuma, Hiroyoshi Matsumoto, Yasuo Takuma +7 more 1999-07-13
5436651 Ink jet printer having elastically deformable ink supply tube Takuji Torii, Syuichi Morio, Kazunobu Hayashi, Takao Matsuoka, Toshio Fuji +1 more 1995-07-25
5381168 Suction-purging unit and suction purging method for an ink jet printer Norimasa Kondo, Takao Matsuoka, Takuji Torii, Kazunobu Hayashi, Shuichi Morio +1 more 1995-01-10
4943863 Electrophotographic printer 1990-07-24
4929982 Sheet path in an electrophotographic printer Takeyuki Ishihara, Tesuo Kanno, Takahiro Kikuchi, Seiichi Mori, Shogo Nobumori +1 more 1990-05-29
4475807 Cleaning apparatus for xerographic printing apparatus Motoya Toyoda, Hiroomi Kozawa, Shigenobu Katagiri 1984-10-09
4443091 Yoke mechanism of electrophotographic printing apparatus Hiroomi Kozawa, Takao Chikuzenya 1984-04-17