MM

Masakazu Muranaka

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
Overall (All Time): #387,675 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7377627 Ink cartridge, housing therefor, ink bag, ink-jet recording apparatus, ink container, and image-forming apparatus Tetsuya Hiruma 2008-05-27
7287843 Ink bag, ink cartridge and ink-jet recording apparatus, ink filling method, ink refilling method, manufacturing method of ink cartridge, and recycling method of ink cartridge Masato Suzuki, Takanori Tsuyuki, Masami Iguchi 2007-10-30
D551288 Ink pouch for a printer ink cartridge 2007-09-18
D546876 Ink pouch for a printer ink cartridge 2007-07-17
D544909 Ink pouch for a printer ink cartridge 2007-06-19
D509242 Ink pouch for a printer ink cartridge 2005-09-06
6681096 Image formation apparatus, printer, copying machine, and facsimile device Takashi Seto, Yasushi Nakazato 2004-01-20
6345170 Image forming apparatus for single-sided operation including a reversing device Yasushi Nakazato, Takashi Seto 2002-02-05
D431259 Toner cartridge 2000-09-26
6004052 Printing device with a heater provided at a charge applying station 1999-12-21
5708938 Wet process image forming apparatus and carrier vapor collecting device therefor Noriyasu Takeuchi, Tsuneo Kurotori, Katsuaki Miyawaki, Toshio Inada, Yusuke Takeda +2 more 1998-01-13
5434597 Thermal transfer recorder Rie Ishii 1995-07-18
4568949 Thermal transfer printer with improved adhesion of colored material spots to the record medium 1986-02-04