Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140513 | Concentrator, analysis system including same and concentrating method | Yukio Oikawa | 2024-11-12 |
| 11819859 | Field flow fractionation device | Jun YANAGIBAYASHI, Yukio Oikawa, Maiko Nakaya, Masaki Kanai | 2023-11-21 |
| 11619615 | Field flow fractionation device | Yukio Oikawa, Maiko Nakaya, Masaki Kanai | 2023-04-04 |
| 11590511 | Flow-type field-flow fractionation apparatus | Yukio Oikawa | 2023-02-28 |
| 11592425 | Cleaning method of field-flow-fractionation apparatus | Yukio Oikawa | 2023-02-28 |
| 11169123 | Field flow fractionation apparatus | Yukio Oikawa, Maiko Nakaya, Masaki Kanai | 2021-11-09 |
| 11090631 | Method for hydrophobization of hydrophilic material | Yukio Oikawa, Hirotaka Koyama | 2021-08-17 |
| 10585073 | Discharge ionization current detector | Kei Shinada | 2020-03-10 |
| 10161906 | Dielectric barrier discharge ionization detector and method for tuning the same | Kei Shinada | 2018-12-25 |
| 9791410 | Discharge ionization current detector | Kei Shinada, Takahiro Nishimoto | 2017-10-17 |
| 9784714 | Discharge ionization current detector and tuning method for the same | Kei Shinada | 2017-10-10 |
| 9784713 | Discharge ionization current detector | Kei Shinada | 2017-10-10 |
| 9535034 | Ion chromatograph | Katsumasa Sakamoto, Yukio Oikawa | 2017-01-03 |
| 9513257 | Discharge ionization current detector and method for aging treatment of the same | Kei Shinada, Takahiro Nishimoto | 2016-12-06 |
| 9366656 | Analysis device provided with discharge ionization current detector | Kei Shinada, Takahiro Nishimoto | 2016-06-14 |
| 8970221 | Discharge ionization current detector | Kei Shinada, Takahiro Nishimoto | 2015-03-03 |
| 8829913 | Discharge ionization current detector | Kei Shinada, Takahiro Nishimoto, Katsuhisa Kitano | 2014-09-09 |
| 8797041 | Discharge ionization current detector | Kei Shinada, Takahiro Nishimoto, Katsuhisa Kitano | 2014-08-05 |
| 8773138 | Discharge ionization current detector | Kei Shinada, Takahiro Nishimoto | 2014-07-08 |
| 8551760 | Substrate for immobilizing biopolymer and method of immobilizing biopolymer by using the same | Yukio Oikawa, Takahiro Nishimoto | 2013-10-08 |
| 8425842 | Suppressor and ion chromatograph employing the same | — | 2013-04-23 |
| 8217094 | Monolith separation medium for chromatographic use and method of producing the same | Ken Hosoya, Mari Sakamoto | 2012-07-10 |
| 8153992 | Ionization emitter, ionization apparatus, and method for manufacturing ionization emitter | Hiroaki Nakanishi | 2012-04-10 |
| 7981284 | Suppressor utilizing micro ion exchange tube and ion chromatograph utilizing the same | Katsumasa Sakamoto, Yukio Oikawa, Hiroaki Nakanishi | 2011-07-19 |