Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453260 | Amorphous silica or silica-alumina spherical particles and process for preparation thereof | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1995-09-26 |
| 5419883 | Lithium aluminum complex hydroxide salt and process for preparation thereof | Kunio Goto, Shoji Shoji, Yoshinobu Komatsu, Akira Tatebe | 1995-05-30 |
| 5418043 | Amorphous silica filler | Kiyoshi Abe, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1995-05-23 |
| 5384191 | Amorphous silica filler | Kiyoshi Abe, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1995-01-24 |
| 5360859 | Lithium aluminum complex hydroxide salt stabilizer for resins | Kunio Goto, Shoji Shoji, Yoshinobu Komatsu, Akira Tatebe | 1994-11-01 |
| 5356567 | Lithium aluminum complex hydroxide salt stabilizer for resins | Kunio Goto, Shoji Shoji, Yoshinobu Komatsu, Akira Tatebe | 1994-10-18 |
| 5298234 | Alumina-silica resin additive | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiko Suzuki | 1994-03-29 |
| 5266397 | Amorphous silica-type filler | Kiyoshi Abe, Masao Takahashi, Yuuzi Washio, Kazumitsu Enomoto, Toshio Kitsu | 1993-11-30 |
| 5236680 | Preparation of amorphous silica-alumina particles by acid-treating spherical P-type zeolite particles crystallized from a sodium aluminosilicate gel | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1993-08-17 |
| 5236683 | Amorphous silica spherical particles | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1993-08-17 |
| 5143708 | Tetracosahedral siliceous particles and process for preparation thereof | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiki Suzuki, Jun Suzuki | 1992-09-01 |
| 5139760 | Amorphous silica-alumina spherical particles and process for preparation thereof | Kiyoshi Abe, Kazuhiko Suzuki, Hiroshi Ogawa | 1992-08-18 |
| 5133899 | Stabilizer composition for chlorine-containing polymers and process for preparation thereof | Tadahisa Nakazawa, Shoji Shoji, Seizi Wakaki, Choichi Abe | 1992-07-28 |
| 5077248 | Synthetic stevensite and process for preparation thereof | Teiji Sato, Masanori Tanaka, Noriyuki Takahashi | 1991-12-31 |
| 5049365 | Process for treating air containing hydrocarbon vapor with a composite adsorbent material | Seiji Okabayashi, Hirofumi Watanabe, Kiyoshi Abe | 1991-09-17 |
| 5013603 | Ink jet recording paper with amorphous silica filler | Teiji Sato, Masao Takahashi, Toshio Kitsu, Seikichi Takahashi, Kinichi Ono | 1991-05-07 |
| 5013709 | Pressure-sensitive recording paper and color developer therefor | Teiji Sato, Kiyoshi Abe, Hisashi Tsuchida, Hiroo Inoue, Mitsuo Saito | 1991-05-07 |
| 5004716 | Synthetic stevensite and process for preparation thereof | Teiji Sato, Masanori Tanaka, Noriyuki Takahashi | 1991-04-02 |
| 4968523 | Process for preparation of shellfish extract concentrate, and shellfish extract concentrate | Koichi Usui, Koyoshi Takai, Teiji Sato, Masanori Tanaka, Izumi Serizawa | 1990-11-06 |
| 4963519 | Composite adsorbent | Seiji Okabayashi, Hirofumi Watanabe, Kiyoshi Abe | 1990-10-16 |
| 4915923 | Filler for ink jet recording paper | Teiji Sato, Maso Takahashi, Toshio Kitsu, Seikichi Takahashi, Kinichi Ono | 1990-04-10 |
| 4892591 | Filler for ink jet recording paper | Teiji Sato, Masao Takahashi, Kazumitsu Enomoto | 1990-01-09 |
| 4784982 | Composite phylosilicate adsorbent and process for preparation thereof | Kouichi Usui, Osamu Okumura, Teiji Sato, Kouichi Yamada, Masanori Tanaka +1 more | 1988-11-15 |
| 4770894 | Decolorized oyster extract concentrate | Koichi Usui, Kiyoshi Takai, Teiji Sato, Masanori Tanaka, Izumi Serizawa | 1988-09-13 |
| 4626290 | Inorganic filler and process for production thereof | Tadahisa Nakazawa, Kiyoshi Abe, Kazuhiko Suzuki | 1986-12-02 |