Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508173 | Composition for optical material and optical material using the same | Yousuke IMAGAWA, Akinobu HORITA, Hiroshi Horikoshi | 2019-12-17 |
| 10472343 | Method for producing 1,2,3,5,6-pentathiepane | Hiroyuki Tanagi, Hiroshi Horikoshi | 2019-11-12 |
| 10407380 | Isomerization method for cyclohexanediamine | Yuko Shimizu | 2019-09-10 |
| 10294194 | Isomerization method for diaminodicyclohexylmethane | Yuko Shimizu | 2019-05-21 |
| 10295743 | Optical semiconductor device, and method for producing the same | Hiroyuki Kunishima, Yasutaka Nakashiba, Masaru Wakabayashi, Shinichi Watanuki, Ken Ozawa +2 more | 2019-05-21 |
| 10287235 | Isomerization method for 1,3,3-trimethyl-1-(aminomethyl)aminocyclohexane | Yuko Shimizu | 2019-05-14 |