Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11573429 | Polarized light irradiation apparatus and method for polarized light irradiation | — | 2023-02-07 |
| 10494973 | Catalytic converter and method for manufacturing casing | Jun Takayanagi, Toshihiro Ooka, Noritaka Yamamoto, Yoshiaki Hatakeyama | 2019-12-03 |
| 10436105 | Exhaust structure | Noritaka Yamamoto | 2019-10-08 |
| 4847435 | Process for the recovery of high-purity m-ethylphenol | Keizo Kase, Tsutomu Idai, Eiji Takahashi | 1989-07-11 |