HI

Hiroshi Ishihama

KC Kowa Company: 8 patents #61 of 562Top 15%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #526,694 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5756130 Stamper for producing recording medium Nobuhiro Umebayashi, Hiroshi Obara, Yoshitaka Kojima, Shoichi Nakashima, Shizuka Yamaguchi 1998-05-26
5216566 Floppy disk unit with liner of fibers containing inorganic oxide powder Hiroshi Obara, Shoichi Sakamoto 1993-06-01
4737506 Anti-arteriosclerotic pyridyl or imidazolyl derivatives of carbonyloxyalkyl hantzsch esters Noboru Shimizu, Hiroyuki Ishiwata, Tomio Ohta, Yasumi Uchida 1988-04-12
4727085 Racemates of 3,4-dihydro-8-(2'-hydroxy-3'-isopropylamino)propoxy-3-nitroxy-2H-1-benzo pyran, process for converting them and pharmaceutical compositions thereof Masami Shiratsuchi, Kiyoshi Kawamura, Toshihiro Akashi, Yasumi Uchida 1988-02-23
4678803 Optical isomers, processes for production thereof and pharmaceutical composition thereof Masami Shiratsuchi, Kiyoshi Kawamura, Toshihiro Akashi, Yasumi Uchida 1987-07-07
4620005 1-isopropyl-4[(4-tetrahydro-1-naphthoyloxy phenyl)(alkylene)-carbonyl(oxymethlcarbonyl)]piperazines having chymotrypsin-inhibitory activity Setsuro Fujii, Eizou Hattori, Mitsuteru Hirata, Hisashi Kunieda, Koichiro Watanabe 1986-10-28
4605739 Benzoyl indolecarboxylates Setsuro Fujii, Eizou Hattori, Mitsuteru Hirata, Hisashi Kunieda, Koichiro Watanabe 1986-08-12
4511509 3-Alkylidine azetidine compound and their production Hamao Umezawa, Masaji Oono, Yoshinori Kyotani, Yoshio Takahashi 1985-04-16
4448989 N-Nitroxyalkylene benzamide derivatives Masami Shiratsuchi, Yasumi Uchida 1984-05-15
4443603 Piperazine derivatives, of aromatic acids Setsuro Fujii, Eizou Hattori, Mitsuteru Hirata, Koichiro Watanabe 1984-04-17