Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239856 | Apparatus for producing standard gas mixtures | Jacques Mettes, Takako Kimura | 1993-08-31 |
| 5157957 | Process for producing standard gas mixture and apparatus for producing the same | Jacques Mettes, Takako Kimura | 1992-10-27 |
| 5054309 | Process for producing low-concentration gas mixtures, and apparatus for producing the same | Jacques Mettes, Takako Kimura | 1991-10-08 |
| 4981723 | Chemical vapor deposition of tungsten silicide using silicon sub-fluorides | Ikuo Hirase, Denis Rufin, Tooru Sumiya, Masamichi Matsuura, Sadayuki Urishima | 1991-01-01 |