TH

Tomoyasu Hirasawa

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #20,662 of 364,097Top 6%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8068759 Image forming apparatus and cooling method used therein Kenichi Takehara, Yasuaki Iijima, Hiromitsu Fujiya, Takayuki Nishimura, Satoshi Okano +2 more 2011-11-29
8019267 Fixer, fixing device, and image forming apparatus Yasuo Katano, Tsuneo Kurotori, Hiromichi Komai 2011-09-13
7989133 Fixing liquid, fixing device using the fixing liquid, and image forming apparatus comprising the fixing device Yasuo Katano, Tsuneo Kurotori, Hiromichi Komai, Takuma Nakamura 2011-08-02
7869754 Bubble creating method, bubble creating device, bubbly fixation fluid producing method, bubbly fixation fluid producing device, fixation fluid, image forming method, and image forming apparatus Yasuo Katano, Tsuneo Kurotori, Takuma Nakamura, Yuko Arizumi 2011-01-11