Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kiminori Mizuuchi, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Minoru Imaeda, Kenji Aoki +1 more | 2003-10-07 |
| 6513226 | Method of manufacturing film structure, method of manufacturing optical waveguide substrate and method of manufacturing second harmonic generation device | Makoto Iwai, Makoto Ohmori | 2003-02-04 |
| 6447606 | Method for producing a single-crystalline film of KLN or KLNT | Minoru Imaeda | 2002-09-10 |
| 6257224 | Process for working a preform made of an oxide single crystal, and a process for producing functional devices | Kenji Kato, Minoru Imaeda | 2001-07-10 |
| 6219469 | Optical waveguide devices, traveling-wave light modulators, and process for producing optical waveguide devices | Makoto Minakata, Minoru Imaeda, Kenji Kato | 2001-04-17 |
| 6204957 | Second harmonic wave-generating element | Katsuhiro Imai, Minoru Imaeda, Kiyofumi Chikuma, Atsushi Onoe, Ayako Yoshida | 2001-03-20 |
| 6181462 | Second harmonic wave-generation device | Minoru Imaeda, Makoto Iwai | 2001-01-30 |
| 6124018 | Masking film roll for use in painting, method for producing it, and tubular film roll from which it is produced | — | 2000-09-26 |
| 6111682 | Light modulators | Makoto Minakata, Jungo Kondo, Minoru Imaeda | 2000-08-29 |
| 6027770 | Functional polyolefinic film | — | 2000-02-22 |
| 5943465 | Optical waveguide element, optical element, method for producing optical waveguide element and method for producing periodic domain-inverted structure | Tatsuo Kawaguchi, Minoru Imaeda, Kiminori Mizuuchi, Kazuhisa Yamamoto | 1999-08-24 |
| 5924290 | Optoelectronic element module | — | 1999-07-20 |
| 5866200 | Process for producing optical waveguide-provided substrate | Tatsuo Kawaguchi, Minoru Imaeda, Kenji Kato, Takashi Oguchi | 1999-02-02 |
| 5741389 | Masking film roll for use in painting, method for producing it, and tubular film from which it is produced | — | 1998-04-21 |
| 5737117 | Second harmonic generation element and a process for producing the same | Minoru Imaeda, Katsuhiro Imai, Tatsuo Kawaguchi, Akihiko Honda | 1998-04-07 |
| 5504349 | Optoelectronic device | — | 1996-04-02 |
| 5416869 | Semiconductor laser/optical fiber coupling device | — | 1995-05-16 |
| 4958836 | Golf simulator | Kuniharu Onozuka | 1990-09-25 |
| 4389438 | Process for preparing laminates | Akira Ohtsuki, Hirokichi Ishino, Hiromu Sakai, Takahiko Yamasoba, Susumu Tsuchiko | 1983-06-21 |