Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6028269 | Set of hollow and tapered composite insulators with a one piece core | Isao Nakajima, Yusuke Utsumi | 2000-02-22 |
| 5907898 | Securing method | Takeshi Shogo, Shuji Fujii | 1999-06-01 |
| 5788772 | Apparatus for coating the exterior of rod-like members | Kimihiko Matsuzaki, Michio Sekiguchi | 1998-08-04 |
| 5648132 | Composite insulator, segment used for producing the same and method of producing the same by using the segment | Tetsuhiko Abe, Isao Nakajima, Yusuke Utsumi | 1997-07-15 |
| 5563379 | Composite electrical insulator | Takeshi Shogo | 1996-10-08 |
| 5539155 | Metal fitting for composite insulators | Takeshi Shogo | 1996-07-23 |
| 5523038 | Process and an apparatus for producing insulators | Osamu Tsuji, Toshiro Marumasu | 1996-06-04 |
| 5369161 | Process for insulating high voltage electrical conducting media | Shigeo Ishino, Takao Nakai, Kazuo Hirai, Takao Matsushita, Kazuhide Takeshita | 1994-11-29 |
| 4740659 | Pollution-proof insulator | Toshimi Suzuki | 1988-04-26 |