Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384401 | Chemical product usable as a non-radioactive carrier | Keietsu Takahashi, Masaaki Hazue | 1995-01-24 |
| 5207611 | Coin sorting apparatus | Tatsuo Okita, Mikio Suzuki, Yasunori Ikemoto, Hiroyuki Shibao | 1993-05-04 |
| 5118798 | Radioactive metallic element-labelled high molecular compound useful in nuclear medicine | Komei Washino, Miki Kurami | 1992-06-02 |
| 5114381 | Coin feeding apparatus for coin handling machine | Tatuo Okita, Mikio Suzuki, Yasunori Ikemoto, Hiloyuki Shibao | 1992-05-19 |
| 5096693 | Stable stannous chloride composition for labeling with radioactive technetium | Makoto Azuma, Jun Takahashi, Hirohiko Yamauchi | 1992-03-17 |
| 5089604 | Asialoglycoprotein acceptor-directing compound having chelateforming compound chemically bonded thereto | Komei Washino, Miki Kurami | 1992-02-18 |
| 5077389 | Chemical product usable as a non-radioactive carrier | Keietsu Takahashi, Masaaki Hazue | 1991-12-31 |
| 5072408 | Microfilm handling system | — | 1991-12-10 |
| 5032678 | Radio labeled high molecular compound comprising unit of asialoglycoprotein acceptor-directing compound and unit of chelate forming compound chemically bonded thereto | Komei Washino, Miki Kurami | 1991-07-16 |
| 5015462 | Stable stannous chloride composition for labeling with radioactive technetium | Makoto Azuma, Jun Takahashi, Hirohiko Yamauchi | 1991-05-14 |
| 4996312 | Porphyrin derivatives, and their production and use | Isao Sakata, Susumu Nakajima, Koichi Koshimizu, Natsuki Samejima, Kazumi Inohara +3 more | 1991-02-26 |
| 4968305 | Radiation-shielding injector for a radio-pharmaceutical liquid composition | Jun Takahashi, Shinsuke Tanaka, Mitsuhisa Iinuma | 1990-11-06 |
| 4952052 | Microfilm reader for microfiche films | Hideaki Hirasawa | 1990-08-28 |
| 4923088 | Radiation-shielding container | Shinsuke Tanaka, Jun Takahashi, Hiroaki Matsushima | 1990-05-08 |
| 4880616 | Stable stannous chloride composition for labeling with radioactive technetium | Makoto Azuma, Jun Takahashi, Hirohiko Yamauchi | 1989-11-14 |
| 4875768 | Microfiche reading apparatus | Hideaki Hirasawa | 1989-10-24 |
| 4855353 | High molecular compounds having amino groups, and their utilization | Miki Kurami, Yoshifumi Shirakami, Keietsu Takahashi | 1989-08-08 |
| 4849207 | Porphyrin derivatives | Isao Sakata, Susumu Nakajima, Koichi Koshimizu, Natsuki Samejima, Kazumi Inohara +3 more | 1989-07-18 |
| 4825243 | Film image projecting apparatus for handling a roll film containing a plurality of rows of frames | Masaaki Ito, Masafumi Fujita | 1989-04-25 |
| 4752124 | Micro-film reader | Osami Katoh, Takanori Saito | 1988-06-21 |
| 4738523 | Retrieval control apparatus for microfilm reader | Masaaki Ito, Yutaka Tanaka, Takanori Saito, Osami Kato | 1988-04-19 |
| 4666697 | Radioactive diagnostic agent | Keietsu Takahashi, Masaaki Hazue | 1987-05-19 |
| 4645660 | Increasing labeling efficiency by forming diagnostic agent in the presence of ascorbic acid or the like | Keietsu Takahashi, Masaaki Hazue, Akira Yokoyama, Yoshiro Ohmomo | 1987-02-24 |
| 4591264 | Auto exposure control device for reader-printer | Masafumi Fujita | 1986-05-27 |
| 4564472 | 3-Aminomethylene-2,4-pentanedione bis(thiosemicarbazone) derivatives, and their production and use | Susumu Kondo, Masaaki Hazue | 1986-01-14 |