Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268457 | Organic electroluminescent device and material for organic electroluminescent device | Hironobu Morishita, Chishio Hosokawa, Shigeyuki Matsunami, Yasunori Kijima | 2012-09-18 |
| 7111015 | Apparatus and method for searching files | — | 2006-09-19 |
| RE37064 | Process for producing styrenic polymer | Norio Tomotsu | 2001-02-20 |
| 6075102 | Polymerization catalyst and process for producing polymers | Norio Tomotsu | 2000-06-13 |
| 5838967 | Image filing apparatus and method for storing image data and directory information | Tetsuhisa Okayama, Hiroyuki Hoshino, Hirohisa Yamaguchi | 1998-11-17 |
| 5807940 | Catalyst for polymerization and process for producing a styrenic polymer by using the catalyst | Norio Tomotsu | 1998-09-15 |
| 5756612 | Process for producing styrenic polymer | Norio Tomotsu | 1998-05-26 |
| 5623034 | Process for producing styrenic polymer | Norio Tomotsu | 1997-04-22 |
| 5596055 | Process for producing styrenic polymer | Norio Tomotsu | 1997-01-21 |