Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091502 | Heterobifunctional compound having monodispersed polyethylene glycol in main chain and side chain | Kohei Yoshimura, Mika Hamura, Yuki Matsuno | 2024-09-17 |
| 11680137 | Method for purifying trityl group-containing monodispersed polyethylene glycol | Koichi OGI, Kohei Yoshimura | 2023-06-20 |
| 11529423 | Biodegradable polyethylene glycol derivative having cyclic benzylidene acetal linker | Yuji Yamamoto | 2022-12-20 |
| 11530295 | Hydrophilic polymer derivative having cyclic benzylidene acetal linker | Yuji Yamamoto | 2022-12-20 |
| 11419946 | Heterobifunctional monodispersed polyethylene glycol and conjugate using same | Kohei Yoshimura, Mika Hamura | 2022-08-23 |
| 11319408 | Hydrophilic polymer derivative having self-immolative acetal linker and conjugate using same | Shinya TAMAGAWA | 2022-05-03 |
| 11220576 | Degradable polyethylene glycol derivative having disulfide linker | Kota TANGE, Hiroki Yoshioka, Masaki Kamiya | 2022-01-11 |
| 11041052 | Biodegradable hydrogel having cyclic benzylidene acetal structure | Mika Shishido | 2021-06-22 |
| 10808050 | Antibody-drug conjugate having cyclic benzylidene acetal linker | Yuji Yamamoto | 2020-10-20 |
| 10633489 | Hydrophilic polymer derivative having benzylidene acetal linker | Yuji Yamamoto | 2020-04-28 |
| 10626217 | Lipid derivative in which hydrophilic polymer is bound through cyclic benzylidene acetal linker | Masaki Ota, Yuji Yamamoto | 2020-04-21 |
| 10407543 | Method for producing polyethylene glycol having terminal carboxyl group | Akiko Doi, Takashi Ichikawa, Tsuyoshi Takehana | 2019-09-10 |
| 10377837 | Antibody-drug conjugate having cyclic benzylidene acetal linker | Yuji Yamamoto | 2019-08-13 |
| 10023693 | Hydrophilic polymer derivative having benzylidene acetal linker | Yuji Yamamoto | 2018-07-17 |
| 9777113 | Production method of medical polyoxypropylene polymer and production method of medical polyoxypropylene/polyoxyethylene block copolymer | Yuji Yamamoto | 2017-10-03 |