Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8673151 | Method of modifying surface of material | Kazuyuki Miyazawa, Yousuke Toujo, Aya Ohkubo, Osamu Shirota, Kenichi Sakuma +1 more | 2014-03-18 |
| 8426627 | Phosphorylcholine group-containing compound and surface modifying agent composed of such compound | Yousuke Toujo, Kazuyuki Miyazawa, Hiroshi Kutsuna, Kenichi Sakuma, Masayoshi Wada +1 more | 2013-04-23 |
| 7906670 | Phosphorylcholine group containing compound and surface modifying agent composed of such compound | Yousuke Toujo, Kazuyuki Miyazawa, Hiroshi Kutsuna, Kenichi Sakuma, Masayoshi Wada +1 more | 2011-03-15 |
| 7560023 | Method of modifying surface of material | Kazuyuki Miyazawa, Yousuke Toujo, Aya Ohkubo, Osamu Shirota, Kenichi Sakuma +1 more | 2009-07-14 |
| 7329386 | Column packing material and method for producing the same | Atsushi Kobayashi, Kazuko Takezawa, Hideki Takasaki, Isao Tanaka, Tomoko Kimura +1 more | 2008-02-12 |
| 6360589 | Liquid chromatography and column packing material | Aya Ohkubo, Yutaka Ohtsu, Michihiro Yamaguchi | 2002-03-26 |
| 5738783 | Liquid chromatograph having a micro- and semi-micro column | Osamu Shirota, Ayako Suzuki, Yutaka Ohtsu, Michihiro Yamaguchi, Hisao Tsuruta +1 more | 1998-04-14 |
| 5672422 | Packing material for column and process for production thereof | Atsuo Sakamoto, Michio Yokouchi, Yutaka Ohtsu | 1997-09-30 |
| 5135649 | Column packing material with both hydrophobic and hydrophilic groups and process for production thereof | Atsuo Sakamoto, Tadao Ohta, Yutaka Ohtsu | 1992-08-04 |
| 4882225 | Modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura +11 more | 1989-11-21 |
| 4818614 | Modified powder | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura +11 more | 1989-04-04 |
| 4801445 | Cosmetic compositions containing modified powder or particulate material | Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura +11 more | 1989-01-31 |
| 4743377 | Packing material for liquid chromatography | Yutaka Ohtsu, Hiroshi Fukui, Motokiyo Nakano, Okitsugu Nakata, Isao Tanaka +2 more | 1988-05-10 |