MI

Masahiko Ishida

HI Hitachi: 3 patents #133 of 2,935Top 5%
Canon: 2 patents #337 of 1,247Top 30%
HC Hitachi Engineering Co.: 1 patents #9 of 44Top 25%
TC The Cannon Company: 1 patents #1 of 17Top 6%
Overall (1989): #1,583 of 140,708Top 2%
6
Patents 1989

Issued Patents 1989

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4888285 Enzyme immobilization on a water-insoluble amino group-containing carrier Yuusaku Nishimura, Ryoichi Haga 1989-12-19
4888703 Apparatus for monitoring the toxicant contamination of water by using aquatic animals Kenji Baba, Hayao Yahagi, Shoji Watanabe, Naoki Hara, Mikio Yoda +3 more 1989-12-19
4877680 Recording medium with non-porous ink-receiving layer Mamoru Sakaki, Ryuichi Arai, Takashi Akiya, Shigeo Toganoh, Masahiko Higuma +4 more 1989-10-31
4868581 Ink-receiving composite polymer material Hidemasa Mouri, Michiaki Tobita, Naonobu Eto, Shunzo Kouno, Takashi Akiya +4 more 1989-09-19
4861383 Process for recovering subterranean stem starch and protein Ryooichi Haga, Yoji Odawara, Sankichi Takahashi, Katsuya Ebara 1989-08-29
4801497 Recording medium Shunzo Kono, Hidemasa Mouri, Michiaki Tobita, Naonobu Eto, Takashi Akiya +4 more 1989-01-31