Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672021 | Swinging door structure and inner frame in which inner frame is removable | Mitsugi Kusano, Kimio Numaguchi, Yasuhiro Takagi, Tetsuji Nagaoka, Nobuyuki Miyanaga | 2004-01-06 |
| 6329231 | Distributed constant circuit with active element | — | 2001-12-11 |
| 6107645 | Thermoelectric system using semiconductor | — | 2000-08-22 |
| 5023703 | Semiconductor device | Shigeyuki Yamamura, Masumi Fukuta | 1991-06-11 |
| 4908694 | Semiconductor device | Shigeyuki Yamamura, Masumi Fukuta | 1990-03-13 |
| 4427991 | High frequency semiconductor device | Shigeyuki Yamamura, Kinjiro Kosemura, Takao Shima | 1984-01-24 |