Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701752 | Synthesized silica glass optical member and method for manufacturing the same | Jun Abe, Nobuyasu Mantoku, Shinji Makikawa | 2004-03-09 |
| 6681074 | Method for producing base material for optical fiber having deformed first clad, base material for optical fiber and optical fiber | Jun Abe, Nobuyasu Mantoku, Shinji Makikawa | 2004-01-20 |
| 6615614 | Method for preparing optical waveguide substrate | Shinji Makikawa, Shigeru Konishi | 2003-09-09 |
| 6564585 | Method for producing a second-order nonlinear glass material | Jun Abe, Akira Ikushima, Takumi Fujiwara | 2003-05-20 |
| 6436728 | Method for making an optical waveguide substrate | Shinji Makikawa, Hiroshi Aoi, Masaaki Shirota | 2002-08-20 |
| 6402973 | Preparation of silicon substrate | Yasushi Maeda, Masaharu Horiguchi, Shinji Makikawa | 2002-06-11 |
| 6380109 | Second-order nonlinear glass material | Jun Abe, Akira Ikushima, Takumi Fujiwara | 2002-04-30 |
| 6301412 | Apparatus and method for making multi-branching optical coupler | Tsuneo Mori, Masaaki Shirota, Jun Abe, Sayuri Maeda, Kazuo Koya | 2001-10-09 |