Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355694 | Modified stannic oxide—zirconium oxide complex sol and preparation method thereof | Keitaro Suzuki, Motoko Iijima | 2002-03-12 |
| 6310987 | Image processor | — | 2001-10-30 |
| 6306513 | Optical element having cured film | Takanobu Itoh, Keitaro Suzuki, Motoko Iijima | 2001-10-23 |
| 6296943 | Method for producing composite sol, coating composition, and optical element | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 2001-10-02 |
| 6291535 | Silica-magnesium fluoride hydrate composite sols and process for their preparation | Yoshitane Watanabe, Keitaro Suzuki, Osamu Tanegashima | 2001-09-18 |
| 6040372 | Hydrated zinc stannate sols, coating compositions and optical elements | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 2000-03-21 |
| 6001164 | Hydrated zinc stannate sols, coating compositions and optical elements | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 1999-12-14 |
| 5906679 | Coating compositions employing zinc antimonate anhydride particles | Yoshitane Watanabe, Keitaro Suzuki | 1999-05-25 |
| 5898061 | Continuous process for producing polyarylene sulfide | Kiyoshi Sase, Masao Oomori | 1999-04-27 |
| 5891362 | Hydrated zinc stannate sols, coating compositions and optical elements | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 1999-04-06 |
| 5891565 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 1999-04-06 |
| 5856433 | Apparatus for manufacturing polyarylene sulfide and process for manufacturing polyarlene sulfide using the apparatus | Kiyoshi Sase | 1999-01-05 |
| 5766512 | Zinc antimonate anhydride and method for producing same | Yoshitane Watanabe, Keitaro Suzuki | 1998-06-16 |
| 5726223 | Process for production of polymer particles | Masaya Okamoto, Noriyuki Kunishi | 1998-03-10 |
| 5707552 | Zinc antimonate anhydride and method for producing same | Yoshitane Watanabe, Keitaro Suzuki | 1998-01-13 |
| 5667725 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 1997-09-16 |
| 5635587 | Process for manufacturing polyarylene sulfide | Norio Ogata, Hiroshi Nishitani | 1997-06-03 |
| 5583166 | Process for production of polymer particles | Masaya Okamoto, Noriyuki Kunishi | 1996-12-10 |
| 5552083 | Sol and fine powder of sodium magnesium fluoride and processes for their production | Yoshitane Watanabe, Keitaro Suzuki, Motoko Iijima | 1996-09-03 |
| 5344973 | Process for preparation of lithium N-methylamino butyrate | Makoto Wakabayashi, Minoru Senga | 1994-09-06 |
| 5262137 | Method for recovering lithium chloride | Hidetoshi Suzuki | 1993-11-16 |
| 5194580 | Process for preparing polyarylene sulfides under reduced pressure | Daigo Shirota, Masao Ohmori, Minoru Senga | 1993-03-16 |
| 5167775 | Method for recovery of solvent used in production of polyarylene sulfide | Masao Omori, Daigo Shirota | 1992-12-01 |
| 5143554 | Process for washing powdery and/or granular resins and a washing device therefor | Daigo Shirota | 1992-09-01 |