Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730595 | Protecting method for semiconductor wafer and surface protecting adhesive film for semiconductor wafer used in said method | Yoshihisa Saimoto, Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto, Takanobu Koshimizu | 2004-05-04 |
| 6396018 | Power circuit switch | Hirotsugu Kinoshita, Kiyomi Sakamoto, Kimiya Sato, Atsushi Ohashi, Tomio Takahashi | 2002-05-28 |
| 6303076 | Contact material for contacts for vacuum interrupter and method of manufacturing the contact | Atsushi Yamamoto, Takashi Kusano, Tsutomu Okutomi, Tsuneyo Seki | 2001-10-16 |
| 6273791 | Method of producing semiconductor wafer | Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto | 2001-08-14 |
| 6159827 | Preparation process of semiconductor wafer | Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto, Masatoshi Kumagai | 2000-12-12 |
| 4663013 | Cation exchange membrane | Isao Kumagai, Yuji Kinoshita | 1987-05-05 |