Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404032 | Humidity-conditioning sheet | Takahiro Endo, Yuko Tsuruta, Yutaka Mori | 2013-03-26 |
| 6129899 | Processes for producing synthetic quartz powder and producing shaped quartz glass | Yoshio Katsuro, Hiroshi Maeda, Shoji Oishi | 2000-10-10 |
| 6071838 | Silica gel, synthetic quartz glass powder, quartz glass shaped product molding, and processes for producing these | Hozumi Endo, Yoshio Katsuro, Akira Utsunomiya | 2000-06-06 |
| 5516350 | Process for producing synthetic quartz glass powder | Hajime Onoda, Hiroshi Ota, Kazumi Kimura, Akira Utsunomiya | 1996-05-14 |