Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512019 | Apparatus and method for treating gypsum | Kouji Nitoh, Masaru Yoshida | 2022-11-29 |
| 11300357 | Multitubular rotary heat exchanger | Tomonori Yoshida | 2022-04-12 |
| 10350564 | Apparatus and method for calcination of gypsum | Katsumi NIIMI, Kazumi Endo, Kouji Nitoh | 2019-07-16 |
| 5407502 | Method for producing a semiconductor device having an improved adhesive structure | Toshio Hamano, Takekiyo Saito | 1995-04-18 |
| 5278429 | Semiconductor device having improved adhesive structure and method of producing same | Toshio Hamano, Takekiyo Saito | 1994-01-11 |