Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702731 | Lateral type molding apparatus for the production of composite insulators | Koji Hayakawa, Yusuke Utsumi | 1997-12-30 |
| 5652949 | Preheating controller for a two-stage electrophotographic printing system | Hiroyuki Ogawa, Shuho Yokokawa, Hiroshi Hakuta, Takao Chikuzenya, Hiroshi Ueno | 1997-07-29 |
| 5648132 | Composite insulator, segment used for producing the same and method of producing the same by using the segment | Tetsuhiko Abe, Shigehiko Kunieda, Yusuke Utsumi | 1997-07-15 |
| 5607702 | Segment with heating and cooling device and mold using the segments | Koji Hayakawa, Yusuke Utsumi | 1997-03-04 |