Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975913 | Discernment card and a discernment card business system using the discernment card | Donald G. Rynne | 2011-07-12 |
| 6645893 | Glass suitable for optical functional elements and process for producing same | Kiyotaka Miura, Seiji Fujiwara, Takuya Teshima, Natsuya Nishimura | 2003-11-11 |
| 6534207 | Process for producing amorphous material containing single crystal or polycrystal and material produced | Natsuya Nishimura | 2003-03-18 |
| 6501596 | 1.4-1.52 &mgr;m-band optical amplifier | Hiroyuki Inoue, Natsuya Nishimura, Kiyotaka Miura, Takuya Teshima | 2002-12-31 |
| 6261420 | Process for producing amorphous material containing single crystal or polycrystal and material produced | Natsuya Nishimura | 2001-07-17 |
| 6198870 | Optical waveguide and 1.5 .mu.m-band optical amplifier using same | Natsuya Nishimura | 2001-03-06 |
| 5746991 | Composition for growing laser crystals | — | 1998-05-05 |
| 5684815 | Upconversion laser material | Kiyotaka Miura, Hiromi Kawamoto, Natsuya Nishimura, Yasushi Kita | 1997-11-04 |
| 5338607 | 1.3 micrometer-band amplifying optical fiber preform | Hiromi Kawamoto, Natsuya Nishimura, Akira Sakanoue | 1994-08-16 |
| 5308371 | Method of forming fluoride glass fiber preform | Hiromi Kawamoto, Natsuya Nishimura, Akira Sakanoue | 1994-05-03 |
| 5248531 | Hemolysis depressant and plasticizer | Hirofumi Nagai, Youko Tamura, Akio Kimura | 1993-09-28 |
| 5147435 | Method for suppressing crystallization of fluoride glass articles by treatment with inorganic fluoride | Akira Sakanoue, Yasushi Kita | 1992-09-15 |
| 5079002 | Hemolysis depressant and plasticizer | Hirofumi Nagai, Youko Tamura, Akio Kimura | 1992-01-07 |