TY

Tohru Yashiro

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #20,520 of 364,097Top 6%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8080683 Electrochromic compound and electrochromic display device using the same Takeshi Shibuya, Shigenobu Hirano, Hiroshi Kondo, Yuki Nakamura, Yukiko Abe 2011-12-20
8067080 Optical recording medium Yuki Nakamura, Masahiro Hayashi, Satoshi Mizukami 2011-11-29
7964260 Optical recording medium, recording and reproducing method thereof, and optical recording and reproducing apparatus 2011-06-21
7894118 Electrochromic compound, electrochromic composition and display device Shigenobu Hirano, Takeshi Shibuya, Hiroshi Kondo, Yuki Nakamura, Yukiko Abe 2011-02-22