Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661931 | Cryopump and baffle plate for cryopump | Shunichi Sekiguchi, Junichi Yasuda, Wenguan Piao | 2023-05-30 |
| 8560253 | Material hardness distribution display system and material hardness distribution display method | Sadao Omata | 2013-10-15 |
| 7594406 | Regenerator and cryogenics pump | Shinji Furuya, Hidetoshi Morimoto, Junpei Yuyama | 2009-09-29 |
| 7565841 | Operating frequency selection method for hardness measurement system, operating frequency selection apparatus, and hardness measurement system | Sadao Omata, Katsuhito Honda | 2009-07-28 |
| 5595684 | Optically active tetrahydropyran derivative, liquid crystal composition, and liquid crystal device containing the same | Masaaki Namekawa, Keizou Itoh, Shinichi Nayuki, Mitsunori Takeda | 1997-01-21 |
| 5443755 | Optically active tetrahydropyrane derivatives, liquid crystal composition and liquid crystal device containing the same | Masaaki Namekawa, Shinichi Nayuki, Keizou Itoh, Mitsunori Takeda | 1995-08-22 |
| 5368771 | Optically active tetrahydropyrane derivatives, liquid crystal composition and liquid crystal device containing the same | Masaaki Namekawa, Shinichi Nayuki, Keizou Itoh, Mitsunori Takeda | 1994-11-29 |
| 5296616 | Optically active fluorine-containing compound | Masaaki Namekawa, Shinichi Nayuki, Keizou Itoh, Mitsunori Takeda | 1994-03-22 |
| 4760758 | Transmission system for vehicle having planetary gear type forward and backward drive switching apparatus | — | 1988-08-02 |
| 4362070 | Change speed apparatus for a tractor | Tetsuaki Hayashi | 1982-12-07 |
| 4326597 | Agricultural tractor | Takashi Yoshii | 1982-04-27 |
| 4294131 | Tractor travelling system transmission mechanism | — | 1981-10-13 |
| 4292855 | Transmission for a farm tractor of four wheel drive type | — | 1981-10-06 |
| 4244232 | Tractor transmission mechanism | — | 1981-01-13 |