Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035484 | Method and apparatus for producing coated optical fiber | Masaharu Ooe, Kohei Kobayashi, Gotaro Tanaka, Minoru Watanabe | 1991-07-30 |
| 5032079 | Furnace for producing high purity quartz glass preform | Ichiro Tsuchiya, Shinji Ishikawa, Masahide Saitoh, Hiroo Kanamori | 1991-07-16 |
| 5022904 | Method of making optical glass article | Hiroo Kanamori, Akira Urano, Michihisa Kyoto | 1991-06-11 |
| 5018824 | Process for fusion-splicing hermetically coated optical fibers | Masaharu Ooe, Gotaro Tanaka | 1991-05-28 |
| 4969941 | Furnace for heating glass preform for optical fiber and method for producing glass preform | Michihisa Kyoto, Ichiro Tsuchiya | 1990-11-13 |
| 4846867 | Method for producing glass preform for optical fiber | Hiroshi Yokota, Hiroo Kanamori, Futoshi Mizutani, Gotaro Tanaka | 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, Gotaro Tanaka, Masahiro Takagi, Hiroshi Suganuma +1 more | 1989-04-18 |
| 4781740 | Method for producing glass preform for optical fiber | Toshio Danzuka, Hiroshi Yokota | 1988-11-01 |
| 4765815 | Method for producing glass preform for optical fiber | Toshio Danzuka, Hiroshi Yokota | 1988-08-23 |
| 4664690 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Minoru Watanabe | 1987-05-12 |
| 4655808 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Hiroshi Kawauchi, Gotaro Tanaka | 1987-04-07 |