Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550300 | Method for producing purified active silicic acid solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2020-02-04 |
| 10400147 | Method for producing purified active silicic acid solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2019-09-03 |
| 9938155 | Method for producing purified alkali silicate aqueous solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2018-04-10 |
| 9108855 | Method for producing purified alkali silicate aqueous solution and silica sol | Noriyuki Takakuma, Tohru Nishimura, Naoki Kawashita, Kouji Yamaguchi | 2015-08-18 |
| 7892343 | Method for manufacturing slurry and mold for precision casting | Yutaka Ohmori, Hirokazu Kato, Kenji Yamaguchi | 2011-02-22 |
| 7569614 | Process for producing acidic aqueous alumina sol | Takaichi Sugiyama | 2009-08-04 |
| 6632489 | Moniliform silica sol, process for producing the same, and ink-jet recording medium | Yoshitane Watanabe, Yoshiyuki Kashima, Yutaka Ohmori | 2003-10-14 |
| 6440187 | Alumina powder, process for producing the same and polishing composition | Toshio Kasai, Isao Ota, Tohru Nishimura | 2002-08-27 |
| 6398827 | Polishing composition | Isao Ota, Tohru Nishimura, Yoshitane Watanabe, Yoshiyuki Kashima, Yutaka Ohmori | 2002-06-04 |
| 6254996 | Antistatic polyester film and process for producing the same | Masayuki Fukuda, Hideaki Watanabe, Osamu Tanegashima | 2001-07-03 |
| 6211274 | Organic-inorganic composite conductive SOL and process for producing the same | Osamu Tanegashima | 2001-04-03 |
| 5998090 | High optical density ultra thin organic black matrix system | Ram Sabnis, Terry Brewer, Robert E. Nichols, Edith G. Hays, Michael Stroder +3 more | 1999-12-07 |
| 5989515 | Process for producing an acidic aqueous alumina sol | Yoshitane Watanabe, Yoshiyuki Kashima | 1999-11-23 |
| 5989391 | Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process | Yoshitane Watanabe, Takaichi Sugiyama, Hisanobu Urahata, Michie Kaneko | 1999-11-23 |
| 5780201 | Ultra thin photolithographically imageable organic black matrix coating material | Ram Sabnis, Jonathan Mayo, Edith G. Hays, Terry Brewer, Michael Stroder +3 more | 1998-07-14 |
| 5332432 | Inorganic adhesive composition | Ken-ichi Okubi, Akira Kitajima, Hisayuki Sato | 1994-07-26 |
| 5238518 | Bonding method employing an inorganic adhesive composition | Ken-ichi Okubi, Akita Kitajima, Hisayuki Sato | 1993-08-24 |