Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763072 | Ceramic sliding member having pyrolytic carbon film and process of fabricating the same | Itsuki Yamamoto, Chunting Li, Koji Maruyama | 1998-06-09 |
| 4873064 | Powder of coagulated spherical zirconia particles and process for producing them | — | 1989-10-10 |
| 4784794 | High-dispersion sol or gel of monoclinic zirconia supermicrocrystals and production of the same | — | 1988-11-15 |
| 4765970 | Flaky zirconia type fine crystals and methods of producing the same | — | 1988-08-23 |
| 4722833 | Fine coagulated particles of ultrafine monoclinic zirconia crystals oriented in a fiber bundle-like form and method of manufacturing them | — | 1988-02-02 |