Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257224 | Process for working a preform made of an oxide single crystal, and a process for producing functional devices | Takashi Yoshino, Kenji Kato | 2001-07-10 |
| 6241820 | Single crystal-manufacturing equipment and a method for manufacturing the same | Ryuichi Ohuchi | 2001-06-05 |
| 6226423 | Optical waveguide element | Makoto Minakata, Jungo Kondo, Takami Hirai | 2001-05-01 |
| 6219469 | Optical waveguide devices, traveling-wave light modulators, and process for producing optical waveguide devices | Makoto Minakata, Takashi Yoshino, Kenji Kato | 2001-04-17 |
| 6204957 | Second harmonic wave-generating element | Takashi Yoshino, Katsuhiro Imai, Kiyofumi Chikuma, Atsushi Onoe, Ayako Yoshida | 2001-03-20 |
| 6203728 | Optical single crystal film process for producing the same and optical element comprising the same | Tatsuo Kawaguchi | 2001-03-20 |
| 6181462 | Second harmonic wave-generation device | Takashi Yoshino, Makoto Iwai | 2001-01-30 |
| 6180872 | Process and apparatus for growing crystalline silicon plates by pulling the plate through a growth member | Tsuguo Fukuda, Yuichiro Imanishi | 2001-01-30 |
| 6129864 | Process for producing optical waveguide substrate | Tatsuo Kawaguchi, Takahiro Inoue, Masatomo Yamauchi | 2000-10-10 |
| 6117346 | Process for forming a microstructure in a substrate of a ferroelectric single crystal | Tatsuo Kawaguchi | 2000-09-12 |
| 6111682 | Light modulators | Makoto Minakata, Jungo Kondo, Takashi Yoshino | 2000-08-29 |
| 6074477 | Process and an apparatus for producing a composite oxide single crystal body | Tsuguo Fukuda, Kiyoshi Shimamura, Tatsuo Kawaguchi | 2000-06-13 |
| 6072118 | Process and apparatus for growing crystalline silicon plates by pulling the plate through a growth member | Tsuguo Fukuda, Yuichiro Imanishi | 2000-06-06 |
| 6051062 | Optical single crystal film, process for producing the same and optical element comprising the same | Tatsuo Kawaguchi | 2000-04-18 |
| 6036775 | Single crystal-growing method and apparatus | Akihiko Honda, Katsuhiro Imai, Yuichiro Imanishi, Nobuyuki Kokune, Shoji Sogo +2 more | 2000-03-14 |
| 5991067 | Optical waveguide substrate, optical waveguide device, second harmonic generation device, and process of producing optical waveguide substrate | Makoto Minakata, Tatsuo Kawaguchi | 1999-11-23 |
| 5985022 | Optoelectric articles and a process for producing the same | Tsuguo Fukuda, Tatsuo Kawaguchi | 1999-11-16 |
| 5961720 | Single crystal-growing apparatus | Akihiko Honda, Katsuhiro Imai, Yuichiro Imanishi, Nobuyuki Kokune, Shoji Sogo +2 more | 1999-10-05 |
| 5943465 | Optical waveguide element, optical element, method for producing optical waveguide element and method for producing periodic domain-inverted structure | Tatsuo Kawaguchi, Takashi Yoshino, Kiminori Mizuuchi, Kazuhisa Yamamoto | 1999-08-24 |
| 5919304 | Method and apparatus for producing oxide series single crystals | Katsuhiro Imai, Tsuguo Fukuda | 1999-07-06 |
| 5866200 | Process for producing optical waveguide-provided substrate | Takashi Yoshino, Tatsuo Kawaguchi, Kenji Kato, Takashi Oguchi | 1999-02-02 |
| 5763055 | Optical single crystalline articles and optical elements using such optical single crystalline articles | Tatsuo Kawaguchi, Kazuyuki Kaigawa | 1998-06-09 |
| 5737117 | Second harmonic generation element and a process for producing the same | Katsuhiro Imai, Tatsuo Kawaguchi, Takashi Yoshino, Akihiko Honda | 1998-04-07 |
| 5690734 | Single crystal growing method | Akihiko Honda, Katsuhiro Imai, Yuichiro Imanishi, Nobuyuki Kokune, Shoji Sogo +2 more | 1997-11-25 |
| 5650006 | Process for producing a lithium niobate-lithium tantalate single crystal substrate | Tatsuo Kawaguchi, Tsuguo Fukuda | 1997-07-22 |