Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665291 | Method for producing high density sintered silicon nitride(Si.sub.3 N.sub.4 ) | Katuhiko Honma, Tsuneo Tatsuno, Hiroshi Okada, Takao Fujikawa | 1997-09-09 |
| 5603876 | Method for producing high density sintered silicon nitride (SI.sub.3 N.sub. 4 | Katuhiko Honma, Tsuneo Tatsuno, Hiroshi Okada, Takao Fujikawa | 1997-02-18 |
| 5445776 | Method for producing high density sintered silicon nitride (Si.sub.3 N.sub. 4 | Katuhiko Honma, Tsuneo Tatsuno, Hiroshi Okada, Takao Fujikawa | 1995-08-29 |
| RE33245 | Method and apparatus for measuring temperature in the high pressure furnace of a hot isostatic pressing | Shigeki Tojyo, Tatsuo Uesaka, Yoshio Kawate, Masayoshi Iwasaki, Takefumi Horiuchi +3 more | 1990-06-26 |
| 4784766 | Pressure crystallization equipment | Kazuo Kitagawa | 1988-11-15 |
| 4666314 | Method and apparatus for measuring temperature in the high pressure furnace of a hot isostatic pressing | Shigeki Tojyo, Tatsuo Uesaka, Yoshio Kawate, Masayoshi Iwaskai, Takefumi Horiuchi +3 more | 1987-05-19 |
| 4620839 | Heat insulator for hot isostatic pressing apparatus | Takao Fujikawa, Kazuo Kitagawa, Junichi Miyanaga | 1986-11-04 |
| 4582681 | Method and apparatus for hot isostatic pressing | Akira Asari, Shiro Matsuura, Hidehiro Tsuzuki, Yohichi Inoue, Takao Fujikawa +1 more | 1986-04-15 |
| 4505762 | Method of producing compound-type superconducting wires | Toshiro Fukutsuka, Takao Fujikawa, Norio Gennai | 1985-03-19 |
| 4503319 | Heater for hot isostatic pressing apparatus | Takao Fujikawa, Kazuo Kitagawa, Junichi Miyanaga | 1985-03-05 |
| 4478626 | Method of hot isostatic pressing treatment | Takao Fujikawa, Junichi Miyanaga | 1984-10-23 |
| 4467185 | Heater for hot isostatic pressing apparatus | Takao Fujikawa, Junichi Miyanaga | 1984-08-21 |
| 4448747 | High density sintering method for powder molded products | Takao Fujikawa, Junichi Miyanaga | 1984-05-15 |
| 4386970 | Production method of compound-type superconducting wire | Toshiro Fukutsuka, Takao Fujikawa | 1983-06-07 |