TY

Tohru Yashiro

Ricoh Company: 65 patents #110 of 9,818Top 2%
KC Kyowa Hakko Kogyo Co.: 2 patents #380 of 943Top 45%
KC Kyowa Yuka Co.: 2 patents #17 of 57Top 30%
Overall (All Time): #33,689 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
8384983 Electrochromic display device, fabrication method therefor, and driving method therefor Shigenobu Hirano, Yoshihisa Naijo, Koh Fujimura, Masahiro Yanagisawa, Masahiro Masuzawa +1 more 2013-02-26
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
7767284 Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof Michiaki Shinotsuka, Masaru Shinkai, Hiroyuki Iwasa, Tatsuo Mikami, Yuki Nakamura 2010-08-03
7710855 Optical recording medium, recording and reproducing method thereof, and optical recording apparatus Yuki Nakamura, Tatsuo Mikami, Ikuo Shimizu, Motoharu Kinugasa, Hiroshi Toyoda 2010-05-04
7449279 Optical information recording medium Soh Noguchi, Tatsuya Tomura 2008-11-11
7251212 Optical information recording medium Yuki Nakamura, Tatsuo Mikami 2007-07-31
7223521 Squarylium-metal chelate compounds and optical recording media Tomomi Ishimi, Tatsuo Mikami, Ikuo Shimizu, Motoharu Kinugasa, Hiroshi Toyoda 2007-05-29
7144677 Optical recording method and optical recording medium 2006-12-05
7095706 Optical information recording medium Yuki Nakamura, Tatsuo Mikami 2006-08-22
6960421 Optical recording medium and fabricating method thereof Tatsuo Mikami, Tomomi Ishimi, Takuo Ohishi 2005-11-01
6794005 Optical recording medium, optical recording method and optical recording device Soh Noguchi, Tsutomu Satoh, Tatsuya Tomura, Yasunobu Ueno, Tomomi Ishimi +4 more 2004-09-21
6562432 Optical recording medium and method of manufacturing the optical recording medium Ippei Ogawa, Takuo Ohishi, Yumi Mochizuki 2003-05-13