Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109781 | Element of a mixing apparatus | Toshiyuki Ogasawara, Noboru Sakano | 2000-08-29 |
| 5320944 | Immunoassay using magnetic particle | Masahisa Okada, Yoshihiro Ashihara, Akira Yano, Katsuaki Yoshioka, Toshiomi Nakamura | 1994-06-14 |
| 5215782 | Method of forming ferrite coatings | Katsuaki Yoshioka, Takao Saito, Katsukiyo Ishikawa | 1993-06-01 |
| 4911957 | Method of forming ferrite film on particles or fibers | Takao Saito, Katsukiyo Ishikawa | 1990-03-27 |
| 4837046 | Method for forming ferrite film | Takao Saito, Katsukiyo Ishikawa, Masanori Abe, Yutaka Tamaura | 1989-06-06 |
| 4816364 | Magnetic carrier particles for electrophotographic developer having plated layer of iron oxide | Takao Saito, Kouichi Nagata, Katsukiyo Ishikawa, Eio Hisajima | 1989-03-28 |