Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698029 | Vertical furnace for the growth of single crystals | Takao Fujikawa, Katsuhiro Uehara, Yoshihiko Sakashita, Takao Kawanaka | 1997-12-16 |
| 5685907 | Apparatus for preparing compound single crystals | Takao Fujikawa, Katsuhiro Uehara, Yoshihiko Sakashita, Kazuya Suzuki, Takao Kawanaka +1 more | 1997-11-11 |
| 5679151 | Method for growing single crystal | Seiichiro Ohmoto, Katsuhiro Uehara, Yoshihiko Sakashita, Takao Kawanaka | 1997-10-21 |
| 5665291 | Method for producing high density sintered silicon nitride(Si.sub.3 N.sub.4 ) | Katuhiko Honma, Tsuneo Tatsuno, Masato Moritoki, Takao Fujikawa | 1997-09-09 |
| 5625517 | Apparatus for reading and/or displaying information obtained from a memory device or a terminal board device of a recording medium cassette | Takashi Sawada, Chiaki Sugai | 1997-04-29 |
| 5621962 | Method of manufacturing chisel for impact tool | Tetsuji Nakai | 1997-04-22 |
| 5617995 | Combustion heater | Masanori Yasuda, Sadahisa Onimaru, Takashi Inoue, Akikazu Kojima, Niro Takaki | 1997-04-08 |
| 5616021 | Fuel burning heater | Sadahisa Onimaru, Takashi Inoue, Masanori Yasuda | 1997-04-01 |
| 5603876 | Method for producing high density sintered silicon nitride (SI.sub.3 N.sub. 4 | Katuhiko Honma, Tsuneo Tatsuno, Masato Moritoki, Takao Fujikawa | 1997-02-18 |