TI

Toshihiro Ishikawa

PE Pentax: 2 patents #412 of 761Top 55%
TK Toa Nenryo Kogyo: 2 patents #87 of 220Top 40%
AK Ashai Kogaku Kogyo Kabushiki Kaisha: 1 patents #1 of 26Top 4%
Overall (All Time): #1,658,048 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5217699 Calcium-phosphate type hydroxyapatite Nobuaki Tagaya, Hideyuki Kuwakara, Takao Hashimoto, Noriko Komatsu, Keiko Fukamachi +2 more 1993-06-08
5082566 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same Nobuaki Tagaya, Hideyuki Kuwahara, Takao Hashimoto, Noriko Komatsu, Keiko Fukamachi +2 more 1992-01-21
4781904 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same Nobuaki Tagaya, Hideyuki Kuwahara, Takao Hashimoto, Noriko Komatsu, Keiko Fukamachi +2 more 1988-11-01