Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11732342 | Method for carburizing steel member, steel component, and carburizing agent | Yuuji Miyamoto | 2023-08-22 |
| 5811527 | Lignin composition, method of producing the same and dispersing agent for cement used the same | Hideaki Ishitoku, Toshihiro Sugiwaki, Masanobu Kawamura | 1998-09-22 |