Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291546 | Phosphonium compound, reagent kit for derivatization, mass spectrometric method, and method for producing phosphonium compound | Seketsu Fukuzawa, Koji Takahashi, Yoshiyuki Itoh, Shugo Tsuda, Masayoshi Mochizuki +1 more | 2025-05-06 |
| 11946910 | Triazolinedione adduct, method for producing triazolinedione adduct, method for producing ene compound, and method for analyzing ene compound | Masahiko Seki, Seketsu Fukuzawa | 2024-04-02 |
| 11927510 | Standard calibration solution | Seketsu Fukuzawa, Yoshikuni Kikutani, Kiyotaka Fujino, Kentaro Abe, Yoshiyuki Ito | 2024-03-12 |
| 11885819 | Analysis method of diene compound | Seketsu Fukuzawa, Misao Matsushige, Shin Watanabe | 2024-01-30 |
| 11718590 | Compound, derivatization reagent, and method for synthesizing compound | Tatsuya Higashi, Shoujiro Ogawa, Seketsu Fukuzawa | 2023-08-08 |
| 11339133 | Method for producing triazolidinedione compound | Makoto Satou, Misao Matsushige, Seketsu Fukuzawa | 2022-05-24 |
| 11192854 | Method for producing semicarbazide compound | Makoto Satou, Misao Matsushige, Seketsu Fukuzawa | 2021-12-07 |
| 11193948 | Reagent kit and method for derivatizing and quantifying vitamin D using a mass spectrometer | Tatsuya Higashi, Shoujiro Ogawa, Fumio Nomura, Mamoru Satoh | 2021-12-07 |
| 10761102 | Method for derivatizing an s-cis-diene compound, derivatization reagent kit, and method for analyzing an s-cis-diene compound | Tatsuya Higashi, Shoujiro Ogawa, Fumio Nomura, Mamoru Satoh | 2020-09-01 |