Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096685 | Method for manufacturing fine-grained silicon monoxide | Toshihiko Funahashi, Kenichi Ueda, Yukio Oguchi | 1992-03-17 |
| 4997633 | Water-soluble boron containing impurity reduced hexagonally crystalline boron nitride | Takahisa Koshida, Takeshi Ogasawara | 1991-03-05 |
| 4853196 | Water-soluble boron containing impurity reduced hexagonally crystalline boron nitride and process for production thereof | Takahisa Koshida, Takeshi Ogasawara | 1989-08-01 |
| 4780299 | Method for producing aluminum nitride powder | Masato Kumagai, Yutaka Yoshii | 1988-10-25 |
| 4755365 | Method of producing high purity zirconia powder from zircon powder | Toshihiko Funahashi, Yukio Oguchi, Kenichi Ueda | 1988-07-05 |
| 4238121 | Hearth structure of an oxygen-bottom-blowing converter | Akira Harita, Tadashi Morimoto, Toshio Kanatani | 1980-12-09 |