FM

Fuyuhiko Matsumoto

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Overall (All Time): #353,610 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8167410 Image forming apparatus Masanori Horike, Masanori Saitoh, Nobuaki Kondoh, Shin Kayahara, Osamu Endou +1 more 2012-05-01
5595852 Organosilicon compound, producing method thereof and toner and dry-type developer using the same Masakatsu Shimoda, Haruo Iimura, Hiroyuki Takahashi 1997-01-21
5105291 Liquid crystal display cell with electrodes of substantially amorphous metal oxide having low resistivity Masato Tani, Takamichi Enomoto 1992-04-14
4818074 Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom Kenya Yokoi, Takamichi Enomoto, Wasaburo Ohta, Toru Miyabori, Akihiko Kanemoto +2 more 1989-04-04
4793691 Liquid crystal color display device Takamichi Enomoto, Wasaburo Ohta, Kiyohiro Uehara, Sumio Kamoi 1988-12-27
4673284 Cleaning device Shuuichi Tsushima 1987-06-16
4443095 Image transfer and sheet separation apparatus for electrophotographic system Shuichi Tsushima 1984-04-17
4413899 Copying method and apparatus Shuichi Karasawa, Shuichi Tsushima, Masatoshi Saitou, Tsutomu Ishida, Kunihiko Ikeda +2 more 1983-11-08
4389113 Improved developing device for two-color electrophotographic copying apparatus Kunihiko Ikeda, Shuichi Tsushima 1983-06-21
4351604 Multi-color electrostatic copying apparatus Shuichi Karasawa, Kunihiko Ikeda, Shuichi Tsushima 1982-09-28
4322734 Variable speed electrostatographic apparatus Yutaka Ebi, Tamio Ohori, Satoru Tomita 1982-03-30
4308821 Electrophotographic development apparatus Shuichi Karasawa 1982-01-05
4268157 Toner image transfer method and apparatus for electrostatic photography Yutaka Ebi, Koji Hirakura, Wasaburo Ohta, Satoru Tomita 1981-05-19
4183032 Electrostatic recording medium with elongated conductive segments Tamio Ohbori, Satoru Tomita 1980-01-08