Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066430 | Method for producing polyalkylene glycol derivative having amino group at end | Yuji Harada, Takeru Watanabe, Shiori Nonaka | 2021-07-20 |
| 10975042 | Method for purifying an amino acid-n-carboxy anhydride | Yuji Harada, Shiori Nonaka, Kazuomi Sato, Takeru Watanabe, Takehiko Ishii | 2021-04-13 |
| 10836861 | Methods of preparing and purifying polyalkylene glycol derivative | Shiori Nonaka, Yuji Harada | 2020-11-17 |
| 10550136 | Method for producing polyalkylene glycol derivative having amino group at end | Yuji Harada, Takeru Watanabe, Shiori Nonaka | 2020-02-04 |
| 10472377 | Method for producing polyalkylene glycol derivative having amino group at end, polymerization initiator for use in the same, and alcohol compound as raw material for the polymerization initiator | Yuji Harada, Takeru Watanabe, Shiori Nonaka | 2019-11-12 |
| 10377775 | Method for producing polyalkylene glycol derivative having amino group at end | Yuji Harada, Takeru Watanabe, Shiori Nonaka | 2019-08-13 |
| 9708350 | Method for producing polyalkylene glycol derivative having amino group at end, polymerization initiator for use in the same, and alcohol compound as raw material for the polymerization initiator | Yuji Harada, Takeru Watanabe, Shiori Nonaka | 2017-07-18 |
| 9284408 | Method for producing polyalkylene glycol derivative with narrow molecular weight distribution, and acetal group-containing alcohol compound for use therein and alkali metal salt thereof | Yuji Harada, Takeru Watanabe, Osamu Watanabe | 2016-03-15 |
| 9187404 | Method for producing polyalkylene glycol derivative having amino group at end, with narrow molecular weight distribution | Yuji Harada, Osamu Watanabe, Takeru Watanabe | 2015-11-17 |
| 9040222 | Polymerizable tertiary ester compound, polymer, resist composition, and patterning process | Jun Hatakeyama, Koji Hasegawa | 2015-05-26 |