Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221497 | Elongated-shaped silica sol and method for preparing the same | Yoshitane Watanabe, Mikio Ando, Tsutomu Kagamimiya, Makoto Kawashima | 1993-06-22 |
| 5196177 | Production of stable aqueous silica sol | Yoshitane Watanabe, Yoshiyuki Kashima | 1993-03-23 |
| 4464682 | Auxiliary scanning control system for facsimile | Satoshi Etoh, Junichi Kobayashi | 1984-08-07 |
| 4336109 | Method for the recovery of acetone | Hirokazu Hosaka, Kunihiko Tanaka, Toshiharu Morita, Katsuyuki Shiota, Yuji Ueda +1 more | 1982-06-22 |