Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392133 | Interior building materials | Ken Watanabe | 2025-08-19 |
| 10968624 | Gypsum panel and method for producing gypsum panel | Katsumi NIIMI, Kazuyuki Umehara, Yuji Ataka, Keiichi Ohki, Shinji Yoshida +3 more | 2021-04-06 |
| 10654754 | Gypsum composition for dry-curing coating material, gypsum-based coating material, and construction method for gypsum-based coating material | Yoshikazu Tanaka | 2020-05-19 |
| 9458025 | Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process | Kouji Katsumoto, Yasuo Kawamura | 2016-10-04 |
| 8529863 | Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process | Kouji Katsumoto, Yasuo Kawamura | 2013-09-10 |
| 7955472 | Interior construction material having deodorizing activity | Yoshinobu Abe, Michio Nishi | 2011-06-07 |
| 7604853 | Building material for interiors having odor elilinating property and interior structure of building using the same | Yoshinobu Abe, Michio Nishi | 2009-10-20 |
| 6638356 | Gypsum-based building material | Yoshiaki Ishibashi, Masanobu Seki | 2003-10-28 |