Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8997387 | Light guide plate having diffused light printed dot pattern | — | 2015-04-07 |
| 4564389 | Process for coal-gasification and making pig iron | Hideyuki Yamaoka, Michiharu Hatano, Tomio Miyazaki, Teruhisa Shimoda | 1986-01-14 |
| 4504043 | Apparatus for coal-gasification and making pig iron | Hideyuki Yamaoka, Michiharu Hatano, Tomio Miyazaki, Teruhisa Shimoda | 1985-03-12 |