Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897773 | Carbide-coated carbon material | Akihiro HIRATE | 2024-02-13 |
| 11885022 | Method of forming a film on a substrate by chemical vapor deposition | Chikara Mori | 2024-01-30 |
| 11555255 | Tantalum carbide coated carbon material, manufacturing method thereof, and member for apparatus for manufacturing semiconductor single crystal | Chikara Mori, Shoji Kano, Akihiro HIRATE | 2023-01-17 |
| 9839074 | Carbon body coated with pyrolytic boron nitride, and a carbon heater including this carbon body | Koji Kato | 2017-12-05 |
| 8829397 | Corrosion-resistant multilayer ceramic member | Shoji Kano, Yoshihiro Kubota | 2014-09-09 |
| 8440566 | Method for forming an aluminum nitride thin film | Koji Kato, Shoji Kano | 2013-05-14 |
| 8115141 | Heating element | Noboru Kimura, Yoshihiro Kubota, Shoji Kano | 2012-02-14 |
| 7952054 | Heating element | Noboru Kimura, Yoshihiro Kubota, Shoji Kano | 2011-05-31 |
| 7854157 | Method of elongating optical fiber base material, and apparatus for elongating the same | Soichiro Kemmochi, Takaaki Nacao, Mitsukuni Sakashita | 2010-12-21 |
| 7679880 | Electrostatic chuck and manufacturing method thereof | Hideki Fujii | 2010-03-16 |
| 7458234 | Elongating method of optical fiber base material | — | 2008-12-02 |
| 6848276 | Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Masataka Watanabe +5 more | 2005-02-01 |
| 6779362 | Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Masataka Watanabe +5 more | 2004-08-24 |
| 6742363 | Straightening a glass rod for use in making an optical fiber preform | Mitsukuni Sakashita, Tadakatsu Shimada, Hideo Hirasawa | 2004-06-01 |
| 6640589 | Glass base material drawing apparatus and method for drawing glass base material | Mitsukuni Sakashita, Shoji Hoshino, Tadakatsu Shimada, Hideo Hirasawa | 2003-11-04 |
| 6386001 | Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction | Yoshiaki Shimizu, Takaaki Nagano, Tadakatsu Shimada, Hideo Hirasawa, Masataka Watanabe +5 more | 2002-05-14 |
| 6220057 | Apparatus and method for drawing a glass ingot | Tadakatsu Shimada, Hideo Hirasawa, Soichiro Kemmochi | 2001-04-24 |
| 6178778 | Method of stretching an optical fiber preform with monitoring the diameter at two locations | Soichiro Kenmochi, Hideo Hirasawa, Tadakatsu Shimada, Akihiko Suzuki, Yoshiaki Shimizu | 2001-01-30 |