Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320659 | Method of forming a carbon coated optical fiber with co-current reactant flow | Yoichi Ishiguro, Masaharu Ooe, Kohei Kobayashi, Minoru Watanabe | 1994-06-14 |
| 5235666 | Production of a hermetically coated optical fiber | Masaharu Ooe, Yoichi Ishiguro, Nobuyuki Yoshizawa | 1993-08-10 |
| 5229357 | Method of producing superconducting ceramic wire and product | Masashi Onishi, Takashi Kohgo, Tetsuya Ohsugi | 1993-07-20 |
| 5157755 | Hermetically coated optical fiber | Masaharu Ooe, Yoichi Ishiguro, Nobuyuki Yoshizawa | 1992-10-20 |
| 5055121 | Method for producing glass preform for optical fiber | Hiroo Kanamori, Yoichi Ishiguro | 1991-10-08 |
| 5035484 | Method and apparatus for producing coated optical fiber | Yoichi Ishiguro, Masaharu Ooe, Kohei Kobayashi, Minoru Watanabe | 1991-07-30 |
| 5018824 | Process for fusion-splicing hermetically coated optical fibers | Masaharu Ooe, Yoichi Ishiguro | 1991-05-28 |
| 4975416 | Method of producing superconducting ceramic wire | Masashi Onishi, Takashi Kohgo, Tetsuya Ohsugi | 1990-12-04 |
| 4900894 | Method of heating a quartz glass tube | Hiroshi Suganuma, Akira Urano, Masahiro Takagi, Shunichi Mizuno | 1990-02-13 |
| 4880452 | Method for producing glass preform for optical fiber containing fluorine in cladding | Hiroo Kanamori, Michihisa Kyoto, Naoki Yoshioka, Futoshi Mizutani | 1989-11-14 |
| 4846867 | Method for producing glass preform for optical fiber | Hiroshi Yokota, Hiroo Kanamori, Yoichi Ishiguro, Futoshi Mizutani | 1989-07-11 |
| 4822399 | Glass preform for dispersion shifted single mode optical fiber and method for the production of the same | Hiroo Kanamori, Hiroshi Yokota, Yoichi Ishiguro, Masahiro Takagi, Hiroshi Suganuma +1 more | 1989-04-18 |
| 4812155 | Method for production of glass preform for optical fibers | Michihisa Kyoto, Naoki Yoshioka, Hiroo Kanamori, Minoru Watanabe, Motohiro Nakahara | 1989-03-14 |
| 4793842 | Method for producing glass preform for optical fiber | Hiroshi Yokota, Hiroo Kanamori, Hiroshi Suganuma, Toshio Danzuka | 1988-12-27 |
| 4737179 | Method for producing glass preform for optical fiber | Hiroshi Yokota, Shigeru Tanaka, Hiroo Kanamori, Hiroshi Suganuma | 1988-04-12 |
| 4731103 | Method for producing glass preform for optical fiber | Futoshi Mizutani | 1988-03-15 |
| 4693738 | Method for producing glass preform for optical fiber | Masao Hoshikawa, Michihisa Kyoto, Koji Yano | 1987-09-15 |
| 4675040 | Method for producing glass preform for single mode optical fiber | Futoshi Mizutani, Naoki Yoshioka, Hiroo Kanamori | 1987-06-23 |
| 4668263 | Method for producing glass preform for optical fiber | Hiroshi Yokota, Hiroo Kanamori, Futoshi Mizutani, Toshio Danzuka | 1987-05-26 |
| 4666488 | Process of producing a highly pure glass tube | Futoshi Mizutani, Hiroo Kanamori | 1987-05-19 |
| 4664474 | Optical fiber and process for producing the same | Kunio Fujiwara, Yasuo Matsuda | 1987-05-12 |
| 4655808 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Yoichi Ishiguro, Hiroshi Kawauchi | 1987-04-07 |
| 4627866 | Method for producing optical fiber preform | Hiroo Kanamori, Kazunori Chida | 1986-12-09 |
| 4627867 | Method for producing highly pure glass preform for optical fiber | Hiroo Kanamori, Futoshi Mizutani | 1986-12-09 |
| 4586943 | Method for the production of glass preform for optical fibers | Michihisa Kyoto, Naoki Yoshioka, Minoru Watanabe, Hiroshi Shimba, Nobuo Inagaki | 1986-05-06 |