Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945171 | Optical pulse time spreader and optical code division multiplexing transmission device | Kensuke Sasaki | 2011-05-17 |
| 7680415 | Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver | Naoki Minato, Hideyuki Iwamura, Takashi Ushikubo | 2010-03-16 |
| 7424226 | Optical code division multiplexing communication method and system | Kensuke Sasaki, Shuko Kobayashi, Satoko Kutsuzawa | 2008-09-09 |
| 7324754 | Optical code division multiplex transmission method and optical code division multiplex transmission device | Shuko Kobayashi, Satoko Kutsuzawa | 2008-01-29 |
| 7310465 | Optical pulse time spreading device | Kensuke Sasaki, Shuko Kobayashi | 2007-12-18 |
| 7224902 | Optical encoding method and encoder for optical code division multiplexing | — | 2007-05-29 |
| 7174103 | Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus | Saeko Oshiba | 2007-02-06 |
| 7171078 | Method and apparatus for fabricating fiber Bragg gratings | Kensuke Sasaki | 2007-01-30 |
| 7127140 | Fiber bragg grating device | Shuko Kobayashi | 2006-10-24 |
| 7039260 | Method and apparatus for generating carrier suppressed optical pulse train and grating device | Masanori Hanawa, Hiroyuki Sasaki, Mikio Takahara | 2006-05-02 |
| 6782165 | Optical filter | — | 2004-08-24 |
| 6665470 | Optical filter | — | 2003-12-16 |
| 6456762 | Method of fabricating optical waveguide device | Shigeki Ogura | 2002-09-24 |
| 6442312 | Optical filter fabrication method and apparatus, optical filter, fiber holder with spiral groove, and phase mask | Yoshitaka Terao, Tsutomu Nomoto | 2002-08-27 |
| 6307617 | Initial alignment system for use in manufacturing an optical filter | Kozo Fujii | 2001-10-23 |
| 6183918 | Alignment method and system for use in manufacturing an optical filter | — | 2001-02-06 |
| 6174648 | Optical filter fabrication method using fiber holder with spiral groove and phase mask with spiral diffraction grating | Yoshitaka Terao, Tsutomu Nomoto | 2001-01-16 |
| 6038358 | Alignment method and system for use in manufacturing an optical filter | — | 2000-03-14 |
| 5935756 | Diazonium salt for thermosensitive recording medium | Katsuaki Kaifu, Takeshi Koyano | 1999-08-10 |
| 5914207 | Alignment method for optical fibers for use in manufacturing an optical filter | Kozo Fujii | 1999-06-22 |
| 5449158 | Sorter for distributing a plurality of sheets to a plurality of sheet holding bins | Kazuhiro Hirota, Keisuke Tanaka, Izumi Hamanaka, Minoru Kawano, Hisao Hosoya | 1995-09-12 |
| 5307189 | Active-matrix-addressed liquid crystal with conductor collecting lines of force emanating from data electrode | Shigeki Ogura, Kayo Yoshizawa, Tsutomu Nomoto | 1994-04-26 |
| 5225364 | Method of fabricating a thin-film transistor matrix for an active matrix display panel | Tsutomu Nomoto, Masumi Koizumi | 1993-07-06 |
| 5223905 | Automatic document conveying device | Yasushi Yamada, Kazuhiro Hirota | 1993-06-29 |
| 5192065 | Sorter with trays rotatable into a stapling position | Kazuhiro Hirota, Hisao Hosoya, Yasushi Yamada, Kazunobu Miura | 1993-03-09 |