Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994398 | Assistant combustion agent for use in high-frequency combustion furnace | Takeshi Yamada, Mitsuhiko Chishiro | 1991-02-19 |
| 4847531 | Waterproofing device for display unit | Shun-ichi Futatsuishi | 1989-07-11 |
| 4800747 | Method of measuring oxygen in silicon | Takeshi Yamada, Hiroshi Uchihara | 1989-01-31 |
| 4764728 | Apparatus for detecting position of faulty light emitting element in large screen display system | Yasuhiro Sato | 1988-08-16 |
| 4705669 | Gas analyzer for simultaneously measuring many ingredients | Masahiro Tanimoto, Akihiro Hirano, Takeshi Yamada | 1987-11-10 |
| 4582686 | Apparatus for analyzing elements contained in metal compositions | — | 1986-04-15 |
| 4510610 | Extractive furnace for extracting gaseous components from material samples | Yoshinori Hosokawa, Masahiro Tanimoto | 1985-04-09 |
| 4305906 | Apparatus for analyzing oxygen, nitrogen and hydrogen contained in metals | Hajime Mikasa, Hirofumi Ono | 1981-12-15 |