Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802876 | Alkylating process for alkyl benzenes | Changxi Miao, Dongyu Jiang | 2017-10-31 |
| 8481766 | Methods of producing epoxides from alkenes using a two-component catalyst system | Mayfair C. Kung, Harold H. Kung | 2013-07-09 |
| 6596836 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Yoshitaka Kitahara | 2003-07-22 |
| 6559276 | Asymmetric disulfide compounds, method for producing the same, and optical products | Tsuyoshi Okubo | 2003-05-06 |
| 6489430 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Yoshitaka Kitahara | 2002-12-03 |
| 6455729 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Yoshitaka Kitahara | 2002-09-24 |
| 6391433 | Coating composition and thin film layer for optical parts | Hiroshi Ohta | 2002-05-21 |
| 6313316 | Polyisocyanate compounds, process for producing the same, and optical materials using the same | Yoshitaka Kitahara | 2001-11-06 |
| 6248431 | Coating composition for optical parts thin film layer made of it and optical part comprising | Hiroshi Ohta | 2001-06-19 |
| 6194603 | Polyisocyanate compound, process for producing the same and optical materials using the same | Yoshitaka Kitahara | 2001-02-27 |
| 6159296 | Optical lens coloring system | Masahiro Aoyama | 2000-12-12 |
| 5961889 | Process of producing polythiol oligomer | Masahisa Kosaka | 1999-10-05 |
| 5722037 | Process for producing Ti/TiC composite by hydrocarbon gas and Ti powder reaction | Hyung-Sik Chung, Yong Jin Kim, Byung Kee Kim | 1998-02-24 |