Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9433565 | Hydrophilic and highly oil absorbent boron nitride powder, method for manufacturing the same, and cosmetic | Takahisa Koshida, Masato Kumagai | 2016-09-06 |
| 9334391 | Sintered spherical BN particles, method of producing the same, and polymer material | Takahisa Koshida, Syunji Kasahara | 2016-05-10 |
| 8679429 | Hexagonal boron nitride powder having specific bulk density and residual Fe particles, and method for producing same | Taisei Gohara, Takahisa Koshida | 2014-03-25 |
| 4632173 | Labor saving apparatus for continuous casting facility | Hideo Kaneko, Akira Murata, Eiji Inoue, Satoshi Satoh, Shinji Shiraishi | 1986-12-30 |