Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947666 | Leather-like fabric | Akihito Tsukamoto, Katsuya Okajima, Masaru Masaki | 2021-03-16 |
| 10435838 | Dyed artificial leather and a production method therefor | Masaru Masaki, Katsuya Okajima, Ai Suzuki, Satoshi Yanagisawa | 2019-10-08 |