MY

Masahiro Yonekawa

Ricoh Company: 29 patents #656 of 9,818Top 7%
Overall (All Time): #130,932 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
D917613 Printer Satoshi Oda, Masami Umezawa, Kohei Chubachi 2021-04-27
9471099 Container, image forming apparatus, and electronic device 2016-10-18
D714861 Printer Naoto Tsuruoka, Weijiang Sun, Zhiyu Liu 2014-10-07
D712960 Printer Naoto Tsuruoka, Weijiang Sun, Zhiyu Liu 2014-09-09
D683396 Printer 2013-05-28
D681726 Multi-function printer 2013-05-07
D678407 Ink cartridge Tetsu Morino, Tsunehiko Ishi 2013-03-19
D678406 Ink cartridge Tetsu Morino, Tsunehiko Ishi 2013-03-19
8287122 Image forming apparatus Masato Suzuki, Ryota Yano 2012-10-16
7909456 Image forming apparatus Masato Suzuki, Makoto Kurata 2011-03-22
D623221 Inkjet printer Masato Suzuki, Ryota Yano 2010-09-07
7758182 Image forming apparatus with multiple doors 2010-07-20
7731352 Image forming apparatus capable of allowing easy maintenance 2010-06-08
D599848 Inkjet printer Masato Suzuki, Ryota Yano 2009-09-08
7552998 Method and apparatus for image forming capable of increasing maintenance efficiency Ryota Yano, Hiroshi Obara 2009-06-30
D589084 Copying machine Masato Suzuki, Makoto Kurata 2009-03-24
D589083 Copying machine Masato Suzuki, Makoto Kurata 2009-03-24
D566757 Inkjet printer Ryota Yano, Masaaki Kabumoto 2008-04-15
D566170 Inkjet printer Ryota Yano, Masaaki Kabumoto 2008-04-08
D558818 Inkjet copying machine Tomohiko Sasaki, Masami Iida, Shigeru Horiguchi 2008-01-01
D490832 Digital camera Masayuki Kurokawa 2004-06-01
6507720 Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor Masaaki Kabumoto, Goro Katsuyama, Kanae Amemiya, Masahiro Kurita, Tomotoshi Nakahara +6 more 2003-01-14
D443891 Printer Masaaki Kabumoto, Yoko Nakamura, Masahiro Kurita, Kanae Nomura 2001-06-19
D433441 Toner cartridge Nahoko Aizawa, Hiroshi Hosokawa, Tetsuo Yamanaka 2000-11-07
6131902 Sheet feeding paths for apparatus with feed paths selectable to correspond to desired function of apparatus Eiji Takenaka 2000-10-17