RH

Ryoichi Hasegawa

NK Nippon Kayaku: 7 patents #76 of 1,103Top 7%
TL Teijin Limited: 2 patents #572 of 1,631Top 40%
GC Gun Ei Chemical Industry Co.: 1 patents #14 of 42Top 35%
UN Unitika: 1 patents #257 of 620Top 45%
Overall (All Time): #586,283 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6962726 Method for preparing substrate for flexible print wiring board, and substrate for flexible print wiring board Akira Shigeta, Takeshi Yoshida, Jun Mori, Yoshiaki Echigo, Minoru Noji +2 more 2005-11-08
6124420 Epoxy resin, epoxy resin composition and hardened product thereof Kenichi Kuboki, Yoshio Shimamura, Yoshiaki Kurimoto, Akiyuki Kojima, Yukio Abe 2000-09-26
5840824 Epoxy resin, epoxy resin composition and hardened product thereof Yasumasa Akatsuka, Kenichi Kuboki, Yoshio Shimamura 1998-11-24
5403716 Method for measurement of tissue factor in high sensitivity and measurement kit therefor Kimihiko Matsuzawa 1995-04-04
5352583 Human tissue plasminogen activator-human plasminogen activator inhibitor complex immunoassay and kit therefor Yoichi Sakata, Kazuhiko Itoh, Shuichiro Hino, Naomi Okamoto, Atsushi Noro +1 more 1994-10-04
5202449 Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline Hiroaki Ohno, Kazuaki Sano, Yoshinori Saito, Hiroaki Nishiyama, Shin'ichi Umeda 1993-04-13
4918208 Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline Hiroaki Ohno, Kazuaki Sano, Yoshinori Saito 1990-04-17
4582928 Process for producing optically active phenylalanine Shigeru Aoki, Mamoru Katagiri, Akikazu Mitsunobu, Yasuhisa Tashiro 1986-04-15
4212813 Process for producing substituted or unsubstituted naphthalic acids and acid anhydrides thereof 1980-07-15