YK

Yasuhisa Kato

Ricoh Company: 35 patents #475 of 9,818Top 5%
Overall (All Time): #99,083 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
7116923 Fuser provided with auxiliary power supply device to operate with varying power Kazuhito Kishi, Akiyasu Amita, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2006-10-03
7054570 Image-forming apparatus Kazuhito Kishi, Akiyasu Amita, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2006-05-30
6263185 Image forming apparatus with a scanner input Hidenobu Endo, Masaaki Yoshikawa, Motokazu Yasui 2001-07-17
6134418 Image forming apparatus having a casing mounted to the apparatus at an upper portion of a stacking device Hidenobu Endo, Masaaki Yoshikawa, Motokazu Yasui 2000-10-17
6112047 Image forming apparatus having a substantially vertical sheet transport path and a relaying mechanism that cooperate to transfer a sheet to a sheet discharge section Hidenobu Endo, Masaaki Yoshikawa, Motokazu Yasui 2000-08-29
5745247 Image forming apparatus having a controlled fixing unit Motokazu Yasui 1998-04-28
5729798 Heat roller fixing device having positioning members Motokazu Yasui 1998-03-17
5481350 Heat roller fixing device divided into first and second frames and with positioning members of the first frame Motokazu Yasui 1996-01-02
5400123 Image forming apparatus capable of erasing an image recorded in a sheet Masumi Sato, Keizo Yasuda, Motokazu Yasui, Kenichi Hasegawa, Eiji Sawamura +2 more 1995-03-21
4843214 Heat roll type arrangement for electrostatic recording apparatus Yuitiro Higashi, Junji Nakai, Hidenori Kawabuchi 1989-06-27