KN

Keiji Nakayama

DC Daiichi Pharmaceutical Co.: 5 patents #31 of 399Top 8%
DL Daiichi Sankyo Company, Limited: 3 patents #194 of 842Top 25%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
IC Ikeda Bussan Co.: 2 patents #63 of 235Top 30%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
Overall (All Time): #267,019 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11884678 Method for producing a spirooxindole derivative Motoshi Yamauchi 2024-01-30
10851111 Method for producing a spirooxindole derivative Motoshi Yamauchi 2020-12-01
10030028 Method for producing a spirooxindole derivative Motoshi Yamauchi 2018-07-24
7199260 Process for reductive dehalogenation Yuichiro Tani, Kenji Sakuratani, Koji Sato 2007-04-03
7189847 Process for producing benzoxazine derivative and production intermediate thereof Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Akihiro Imura, Mikihiro Itoh +3 more 2007-03-13
7087778 Process for producing benzoxazine derivative and production intermediate thereof Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Akihiro Imura, Mikihiro Itoh +3 more 2006-08-08
7074837 Processes for preparation of bicyclic compounds and intermediates therefor Makoto Muto, Tatsuru Saito, Yuichiro Tani, Toshifumi Akiba 2006-07-11
6872823 Process for producing benzoxazine derivative and production intermediate thereof Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Akihiro Imura, Mikihiro Itoh +3 more 2005-03-29
6799472 Method of and apparatus for measuring and evaluating material strength by detecting charged particles Kanichi Hatsukano 2004-10-05
6059881 Coater blades and their manufacturing methods Hirotoshi Nomura, Hisakazu Takagishi, Tokumi Ikeda 2000-05-09
5564196 Roll with composite coats Hirotoshi Nomura, Yasushi Kitamura, Hajime Miwa, Tokumi Ikeda 1996-10-15
5139311 Automotive seat with belt buckle holder Shinobu Imai 1992-08-18
4973104 Car seat Shinobu Imai, Touru Kondo, Shoji Mizuno 1990-11-27
4831398 Photographic film package and method of making the same Seimei Ushiro, Hiroshi Ohmura 1989-05-16
4639062 Circuit board connection Koki Taniguchi, Shigeri Yamaguchi 1987-01-27
4633305 Method of recording image signals of photographic pictures 1986-12-30
4383737 DAP Type liquid crystal display with means for obscuring viewing angle related changes in color Shinichi Hibino 1983-05-17