Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325278 | Vehicle air-conditioning device | Ryuuji TSUKUDA, Hiroshi Kishi, Makoto AOSHIKA | 2025-06-10 |
| 8511371 | Air conditioner for automobile | Masaharu Onda, Ryuji Tsukuda | 2013-08-20 |
| 8403735 | Automotive air conditioner | Masaharu Onda, Ryuji Tsukuda | 2013-03-26 |