Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525917 | Power transforming system and method | Hiroshi Arita, Takahide Matsuo, Shingo Shirakawa, Naoki Kasahara, Shinichi Kondo +1 more | 2003-02-25 |
| 6466425 | Insulating arrester capable of providing a voltage distribution that is substantially symmetrical around the center of the overall height of the arrester | Shingo Shirakawa | 2002-10-15 |
| 5959823 | Tank-type surge arrester | Shingo Shirakawa | 1999-09-28 |
| 5590018 | Arrangement of arrestors in a gas-insulated switchgear | Shingo Shirakawa | 1996-12-31 |
| 5585996 | Arrestor for gas insulated switchgear | Jun Ozawa, Kazuya Ooishi, Katsuji Shindo, Yoshitaka Yagihashi, Shingo Shirakawa | 1996-12-17 |
| 5561581 | Arrester and manufacturing method thereof | Shingo Shirakawa | 1996-10-01 |
| 5548468 | Surge arrester using zinc oxide elements installed in parallel, and method of forming the surge arrester | Shingo Shirakawa | 1996-08-20 |