Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9553221 | Electromagnetic casting method and apparatus for polycrystalline silicon | Koichi Maegawa, Tomohiro Onizuka | 2017-01-24 |
| 9080814 | Continuous casting method of silicon ingot | Koichi Maegawa, Shinya Fukushima | 2015-07-14 |
| 8769993 | Silicon electromagnetic casting apparatus | Daisuke Ebi | 2014-07-08 |
| 7749324 | Casting method of silicon ingot and cutting method of the same | Kenichi Sasatani | 2010-07-06 |
| 4645297 | Fiber reinforced resin coated optical fiber and process for producing the same | Yoshitada Morikawa, Yasuo Yamamoto, Mitsuharu Komada, Masaaki Hattori | 1987-02-24 |
| 4639080 | Optical fibers coated with modified 1,4-polybutadienes | Takao Kimura, Nobuo Inagaki, Fumihiko Kato | 1987-01-27 |
| 4560713 | Reinforced plastic molding | Yoshitada Morikawa, Yasuo Yamamoto, Mitsuharu Komada, Masaaki Hattori | 1985-12-24 |
| 4396645 | Coated optical glass fibers and method for production thereof | Takao Kimura, Nobuo Inagaki, Fumihiko Kato | 1983-08-02 |