Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595184 | Nitrile hydratase variant | Toshifumi Yamaki, Shinichi Banba, Kaori Matoishi, Kiyoshi Ito, Hideki Kobayashi +1 more | 2009-09-29 |
| 6011119 | Resin composition for electrophotographic toner, and toner | Katsuru Matsumoto, Nobuhiro Hirayama, Junko Tobita | 2000-01-04 |
| 5023343 | P-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing them | Tsutomu Nishizawa, Yasuyuki Yamada, Hisato Itoh, Akihiro Yamaguchi, Masakatsu Nakatsuka | 1991-06-11 |
| 4963449 | P-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing them | Tsutomu Nishizawa, Yasuyuki Yamada, Hisato Itoh, Akihiro Yamaguchi, Masakatsu Nakatsuka | 1990-10-16 |
| 4931420 | Temperature history indicator and its manufacturing method | Makoto Asano, Haruki Tsutsumi, Yoshiro Fuseya, Kiyoharu Hasegawa, Hiroyuki Akahori | 1990-06-05 |
| 4735744 | Novel benzoquinone derivatives and production process thereof as well as use as color-developers suitable for recording materials | Michihiro Tsujimoto, Kiyoharu Hasegawa, Hiroyuki Akahori, Makoto Asano | 1988-04-05 |