Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291481 | Method for manufacturing optical fiber | Yuuki Shibuya, Keisei MORITA | 2025-05-06 |
| 11512018 | Optical fiber manufacturing method and optical fiber manufacturing apparatus | Takahiro Saito, Yoshihiro Morimoto, Makoto Aoki | 2022-11-29 |
| 11312651 | Optical fiber drawing method and drawing apparatus | Satoshi Yoshikawa, Takashi Yamazaki | 2022-04-26 |
| 11292740 | Optical fiber manufacturing method and optical fiber manufacturing apparatus | Takahiro Saito | 2022-04-05 |
| 11040906 | Method for manufacturing optical fiber | Tatsuya Konishi, Fumio Yoshimura | 2021-06-22 |
| 10487001 | Seal structure of optical fiber drawing furnace, and method for drawing optical fiber | Takashi Yamazaki, Tatsuya Konishi | 2019-11-26 |
| 9567252 | Optical fiber drawing method and optical fiber drawing apparatus | Takashi Yamazaki, Tatsuya Konishi, Katsuyuki Tsuneishi | 2017-02-14 |
| 9475722 | Optical fiber producing method and apparatus and optical fiber | Tadashi Enomoto, Takashi Yamazaki, Masatoshi Hayakawa, Manabu Shiozaki, Norihiro Uenoyama +1 more | 2016-10-25 |
| 9120694 | Glass preform heating furnace | Tadashi Enomoto, Takashi Yamazaki, Masatoshi Hayakawa | 2015-09-01 |
| 7016582 | Polarized wave holding optical fiber, and method of producing the same | Ichiro Tsuchiya, Shinji Ishikawa, Motohide Yoshida, Tetsuya Haruna, Kazuyuki Soma | 2006-03-21 |
| 6331344 | Biaxially oriented polyester film | Yukari Nakamori, Shozi Nakajima, Akira Kubota, Yuri Shirakawa | 2001-12-18 |
| 6319587 | Biaxially-oriented polyester film | Shozi Nakajima, Yukari Nakamori | 2001-11-20 |
| 5677034 | Biaxially oriented, laminated polyester film | Tohru Miyake, Koichi Abe, Keisuke Ohshima | 1997-10-14 |
| 5532047 | Biaxially oriented, laminated polyester film | Tohru Miyake, Koichi Abe, Keisuke Ohshima | 1996-07-02 |
| 5470637 | Polyester composition and biaxially oriented polyester film containing the same | Jun Sakamoto, Minoru Yoshida, Masatoshi Aoyama, Masaru Suzuki, Yukari Nakamori +1 more | 1995-11-28 |
| 5458964 | Biaxially oriented film comprising organic particles | Masahiro Kimura, Masatoshi Aoyama, Masaru Suzuki, Koichi Abe, Yukari Nakamori +3 more | 1995-10-17 |
| 5389422 | Biaxially oriented laminated film | Koichi Abe, Shoji Nakajima | 1995-02-14 |
| 5336079 | Biaxially oriented laminated film comprising particles in a specific ratio of particle density | Koichi Abe, Hidehito Minamizawa, Takeo Fukuyama | 1994-08-09 |
| 5266376 | Magnetic recording medium | Koichi Abe, Shoji Nakajima | 1993-11-30 |
| 5069962 | Biaxially oriented laminated film | Koichi Abe, Shoji Nakajima | 1991-12-03 |
| 4952449 | Biaxially oriented polyester film | Koichi Abe, Shoji Nakajima, Kiyohiko Ito, Satoru Nishino, Hidehito Minamizawa | 1990-08-28 |