Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309971 | Controller and control method | Tetsuji Yamabana | 2022-04-19 |
| 10509620 | Display control apparatus, display apparatus, display system, and computer-readable storage medium | Kentaro Hotta, Kenji Hiraki, Koji Kobayashi, Ryotaro Imai, Ikumi Arai | 2019-12-17 |
| 9007675 | Optical modulation device and optical modulation method | Akihiro Toya | 2015-04-14 |
| 8600199 | Optical modulator and optical modulating method | — | 2013-12-03 |
| 7826122 | Optical modulation apparatus | — | 2010-11-02 |
| 7337867 | Vehicle-pedal backward-displacement preventing device | Hikaru Sugiura, Junji Adachi | 2008-03-04 |
| 6487686 | Error correction method and transmission apparatus | Yukio Yamazaki, Takatoshi Nakamura, Junichi Ishiwatari | 2002-11-26 |
| 5536586 | Composite hydrogen storage alloy material | Yoshinori Tsushio, Kenichi Yamamoto, Shinichi Tanioka, Toru Ogasawara, Tsutomu Shimizu +2 more | 1996-07-16 |
| 5175372 | Process of producing high purity bis(4-hydroxyphenyl)sulfides and heat-sensitive recording materials containing the same | Akira Onoe, Masao Kawamura, Kunioki Kato, Tomiharu Amitani, Makoto Sato | 1992-12-29 |
| 5102858 | Heat-sensitive recording materials containing high purity bis(4-hydroxyphenyl)sulfides | Akira Onoe, Masao Kawamura, Kunioki Kato, Tomiharu Amitani, Makoto Sato | 1992-04-07 |
| 4835317 | 4-tert.-butyl-1,2-benzenedithiol, complex compounds derived therefrom, and a method of producing the same | Michio Suzuki, Masao Kawamura, Kunioki Kato, Masahide Takahashi, Kazuyuki Nakayama +1 more | 1989-05-30 |
| 4690320 | Method of bonding porous metallic members and product made by the method | Sigemi Osaki, Noriyuki Sakai | 1987-09-01 |
| 4681733 | Process for fixing alloy powder molding at sintering | Toshiharu Konishi, Yukio Shimizu, Takahumi Sakuramoto, Shigemi Osaki | 1987-07-21 |
| 4678633 | Process for forming a sintered layer on a substrate of iron-based material | Sigemi Osaki, Norio Yousina, Yasuhumi Kawado | 1987-07-07 |
| 4670215 | Process for forming a wear-resistant layer on a substrate | Sigemi Osaki, Noriyuki Sakai, Yukio Shimizu, Toshiharu Konishi, Takahumi Sakuramoto | 1987-06-02 |
| 4608225 | Composition for fixing metal powder molding at sintering | Takahumi Sakuramoto, Eishi Asoshina, Takashi Tominaga, Yukio Shimizu, Sigemi Osaki +1 more | 1986-08-26 |
| 4596692 | Process for forming a wear-resistant layer on a substrate | Sigemi Osaki, Yasuhumi Kawado, Yukio Shimizu, Toshiharu Konishi, Takahumi Sakuramoto | 1986-06-24 |
| 4591480 | Method for sealing porous metals | Sigemi Osaki, Noriyuki Sakai, Yasuhumi Kawado | 1986-05-27 |
| 4332616 | Hard-particle dispersion type sintered-alloy for valve seat use | Koji Yagii, Kiyokazu Inmaru, Kenji Miyake | 1982-06-01 |