TT

Tatsuya Tomura

Ricoh Company: 5 patents #12 of 684Top 2%
KC Kyowa Hakko Kogyo Co.: 4 patents #3 of 153Top 2%
KC Kyowa Yuka Co.: 4 patents #1 of 18Top 6%
Overall (2003): #7,681 of 273,478Top 3%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6660867 Metal complex type squarylium compounds and optical recording media made by using the same Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Soh Noguchi +1 more 2003-12-09
6628595 Optical recording method and apparatus for an optical storage medium Noboru Sasa, Soh Noguchi, Tsutomu Satoh, Yasunobu Ueno, Yasuhiro Higashi 2003-09-30
6599605 Squarylium compounds and optical recording media using the same Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Masanori Ikuta +2 more 2003-07-29
6596364 Squarylium compounds and optical recording medium containing the same Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Masanori Ikuta +2 more 2003-07-22
6558768 Optical recording medium and optical recording and reading method using the same Soh Noguchi, Tsutomu Satoh, Noboru Sasa, Yasunobu Ueno, Yasuhiro Higashi +6 more 2003-05-06