Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252111 | Method for producing sulfonimide or its salt | Hironari Takase, Hiroaki Sakaguchi | 2001-06-26 |
| 6156930 | Method for producing trifluoromethanesulfonyl chloride | Kaoru Mori, Takanori Hamana, Tadayuki Kawashima | 2000-12-05 |
| 5723664 | Method of preparing sulfonimide or its salt | Hiroaki Sakaguchi, Kenji Fujii, Yoshiyuki Kobayashi, Yasushi Kita | 1998-03-03 |
| 4826580 | Method and apparatus for finishing cut surface of work produced by wire cut discharge process | Takahisa Masuzawa | 1989-05-02 |
| 4627053 | Method of repairing semiconductor memory | Yooji Yamaki | 1986-12-02 |