Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306320 | Stoichiometric B1-type tantalum nitride and a sintered body thereof and method of synthesizing the B1-type tantalum nitride | Tsutomu Mashimo, Minoru Nishida, Hisashi Yamasaki | 1994-04-26 |
| 5201923 | Stoichiometric B1-type tantalum nitride and a sintered body thereof and method of synthesizing the B1-type tantalum nitride | Tsutomu Mashimo, Minoru Nishida, Hisashi Yamasaki | 1993-04-13 |
| 4762729 | Method of producing cubic boron nitride coated material | Shin Hirano | 1988-08-09 |
| 4731303 | Cubic boron nitride coated material and producing method of the same | Shin Hirano | 1988-03-15 |
| 4306139 | Method for welding hard metal | Yukio Shinozaki, Katsutoshi Naruse, Teruo Harada, Sadao Ohishibashi, Akira Fukawa | 1981-12-15 |