Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442974 | Shift-operation apparatus for automatic transmission | Satoshi Sugimoto, Toshiki Akita, Kazuyoshi Ishiguro | 1995-08-22 |
| 5106550 | Method of producing ceramic rotor | Tetsuji Yogo, Motohide Ando, Yasushi Katano | 1992-04-21 |
| 4997296 | Ceramic bearing and metal shaft assembly | Yoshinori Narita | 1991-03-05 |
| 4993174 | Ceramics spike pin | Masamichi Yamada, Masakatsu Hayakawa | 1991-02-19 |
| 4878812 | Turbine rotor | Tomohisa Kito, Katsuhisa Yabuta | 1989-11-07 |
| 4743591 | Composition for animals | Mitsuru Fukushima, Takeo Shimura, Manabu Kozasa | 1988-05-10 |
| 4689921 | Process of contouring the edges of a ceramic rotor | Shigenori Murate | 1987-09-01 |
| 4602564 | Inking device in a printing machine | Yasumasa Sakamoto, Toyoo Nimoda | 1986-07-29 |
| 4521358 | Process for the production of silicon nitride sintered bodies | Kazunori Miura, Yasushi Matsuo | 1985-06-04 |
| 4511402 | Sintered silicon nitride products and processes for fabrication thereof | Kazunori Miura, Yasushi Matsuo | 1985-04-16 |
| 4499192 | Silicon nitride sintered products having high corrosion resistance and process for production thereof | Toru Shimamori, Yasushi Matsuo | 1985-02-12 |
| 4440707 | Process for producing silicon nitride sintered products having high toughness | Toru Shimamori, Yasushi Matsuo | 1984-04-03 |
| 4304576 | Silicon nitride ceramic tools and a process for their production | Masayuki Akatsuka, Yasushi Matsuo, Isamu Fukuura | 1981-12-08 |
| 4248813 | Process for producing high density sintered products | Mitsuyoshi Kawamura, Yasushi Matsuo | 1981-02-03 |
| 4216021 | High strength silicon nitride sintered material | Yasushi Matsuo | 1980-08-05 |
| 4205033 | Process for producing compact silicon nitride ceramics | Tamotu Miyachi | 1980-05-27 |