Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5846372 | Method of manufacturing a mat for decorative aggregate exposed finishes | Yoshikazu Okada, Tetsuo Hamaguchi, Hiroyuki Ogawa, Kazuhisa Ishigaki | 1998-12-08 |
| 5824800 | Process for preparing a metal-free phthalocyanine | Shinichi Tamura, Seishi Terasaki, Tadashi Mimura, Youichi Tei | 1998-10-20 |
| 5591555 | Electrophotographic photoconductor including a metal-free phthalocyanine | Shinichi Tamura, Seishi Terasaki, Tadashi Mimura, Youichi Tei | 1997-01-07 |
| 5585483 | Metal-free phythalocyanine, process for preparing the same, and electrophotographic photoconductor using the same | Shinichi Tamura, Seishi Terasaki, Tadashi Mimura, Youichi Tei | 1996-12-17 |
| 5389172 | Method of carrying out exposed aggregate textured concrete finishes | Masahito Oyama, Hiroyuki Enomoto, Hiroyuki Ogawa, Yutaka Tamura | 1995-02-14 |
| 5097625 | Seeding and seedling-growing sheet and seeding and seedling-growing method | Tadao Kaneko, Susumu Kamijo, Norimasa Kamezawa | 1992-03-24 |
| 5057438 | Electrophoretic antigen-antibody determination with laminate of multiple membranes | Kazumichi Imai, Daizo Tokinaga, Kenji Yasuda, Keiichi Nagai, Satoshi Takahashi | 1991-10-15 |
| 4824778 | Immunoassay for measuring the concentration of antigen in a sample | Keiichi Nagai, Daizo Tokinaga, Kazumichi Imai, Kenji Yasuda, Satoshi Takahashi | 1989-04-25 |
| 4628035 | Immunoassay method | Daizo Tokinaga, Kazumichi Imai | 1986-12-09 |
| 4476005 | Urease-immobilized urea electrode and process for preparing the same | Daizo Tokinaga, Akiko Katori, Yoshiharu Karasawa | 1984-10-09 |
| 4401387 | Nephelometric immunoassay and nephelometer | Daizo Tokinage, Mitsuyoshi Yuasa, Michio Itoh, Kazuo Yasuda | 1983-08-30 |
| 4229312 | Method of manufacturing a paint composite for magnetic films | Waichi Nagashiro, Hajime Fukke, Yoshiki Kato, Teruo Tsunoda, Yoichi Oba +4 more | 1980-10-21 |
| 4189508 | Process for the preparation of magnetic recording medium | Katsuyoshi Chiba, Yoshiki Kato, Teruo Tsunoda, Hajime Fukke, Heigo Ishihara +2 more | 1980-02-19 |