Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713170 | Hard coating material and film comprising the same | Shoichi Kaneko, Takeshi Takahashi, Keitaro Suzuki, Osamu Tanegashima, Yoshinari Koyama | 2004-03-30 |
| 6632489 | Moniliform silica sol, process for producing the same, and ink-jet recording medium | Yoshiyuki Kashima, Kiyomi Ema, Yutaka Ohmori | 2003-10-14 |
| 6537667 | Electro-conductive oxide particle and process for its production | Tadayuki Isaji, Osamu Fujimoto | 2003-03-25 |
| 6398827 | Polishing composition | Isao Ota, Tohru Nishimura, Yoshiyuki Kashima, Kiyomi Ema, Yutaka Ohmori | 2002-06-04 |
| 6296943 | Method for producing composite sol, coating composition, and optical element | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 2001-10-02 |
| 6291535 | Silica-magnesium fluoride hydrate composite sols and process for their preparation | Keitaro Suzuki, Osamu Tanegashima, Yoshinari Koyama | 2001-09-18 |
| 6093749 | Anhydrous zinc antimonate sol and method for producing the same | Osamu Tanegashima | 2000-07-25 |
| 6040372 | Hydrated zinc stannate sols, coating compositions and optical elements | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 2000-03-21 |
| 6001164 | Hydrated zinc stannate sols, coating compositions and optical elements | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1999-12-14 |
| 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 | Yoshiyuki Kashima, Kiyomi Ema | 1999-11-23 |
| 5989391 | Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process | Kiyomi Ema, Takaichi Sugiyama, Hisanobu Urahata, Michie Kaneko | 1999-11-23 |
| 5906679 | Coating compositions employing zinc antimonate anhydride particles | Keitaro Suzuki, Yoshinari Koyama | 1999-05-25 |
| 5891565 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1999-04-06 |
| 5891362 | Hydrated zinc stannate sols, coating compositions and optical elements | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1999-04-06 |
| 5861112 | Electro-conductive oxide particle and processes for its production | Keitaro Suzuki, Motoko Iijima | 1999-01-19 |
| 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 |
| 5766512 | Zinc antimonate anhydride and method for producing same | Keitaro Suzuki, Yoshinari Koyama | 1998-06-16 |
| 5756009 | Process for the production of an electro-conductive oxide particle | Keitaro Suzuki, Motoko Iijima | 1998-05-26 |
| 5707552 | Zinc antimonate anhydride and method for producing same | Keitaro Suzuki, Yoshinari Koyama | 1998-01-13 |
| 5667725 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1997-09-16 |
| 5597512 | Method for preparing elongated-shaped silica sol | Yoshiyuki Kashima, Hiroyuki Takagi | 1997-01-28 |
| 5582909 | Electro-conductive oxide particle and processes for its production | Keitaro Suzuki, Motoko Iijima | 1996-12-10 |
| 5552083 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Keitaro Suzuki, Yoshinari Koyama, Motoko Iijima | 1996-09-03 |
| 5472797 | Optical elements having cured coating film | Eiichi Yajima, Keitaro Suzuki, Tetsunori Matsukura | 1995-12-05 |