Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890487 | Liquid-retaining sheet and facial mask | Toru Ochiai, Kazuhisa Nakayama, Sumito Kiyooka, Naoaki Moritani | 2018-02-13 |
| 9174411 | Laminated sheet and process for producing the same | Toru Ochiai, Shinichi Shigeki, Sumito Kiyooka, Ikuhisa Shiraishi | 2015-11-03 |