Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7396806 | Semiconductor cleaner comprising a reducing agent, dispersant, and phosphonic acid-based chelant | Atsushi Tamura | 2008-07-08 |
| 6432621 | Resist developer | Shougo Nomoto, Kozo Kitazawa | 2002-08-13 |
| 6372415 | Resist developer | Shogo Nomoto, Kozo Kitazawa | 2002-04-16 |
| 6228820 | Method for using thermally stable esters in a lubricating oil for a refrigerating machine | Toshiya Hagihara | 2001-05-08 |
| 6096692 | Synthetic lubricating oil | Toshiya Hagihara, Shoji Nakagawa, Yuichiro Kobayashi, Hiroyasu Togashi, Koji Taira | 2000-08-01 |
| 5401433 | Working fluid composition having ketone-containing compound for use in refrigeration system | Hiroki Sawada, Toshiya Hagihara, Yuichiro Kobayashi, Hideo Suzuki, Toshihiro Tanaka +2 more | 1995-03-28 |
| 5395544 | Ester-containing working fluid composition for refrigerating machine | Toshiya Hagihara | 1995-03-07 |
| 5300245 | Working fluid composition having ketone-containing compound for use in refrigeration system | Hiroki Sawada, Toshiya Hagihara, Yuichiro Kobayashi, Hideo Suzuki, Toshihiro Tanaka +2 more | 1994-04-05 |
| 5202044 | Working fluid composition for refrigerating machine | Toshiya Hagihara | 1993-04-13 |
| 5096606 | Refrigeration oil composition containing a fluoroethane and an ester compound | Toshiya Hagihara | 1992-03-17 |