Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813341 | Print image treatment device | Takahito Tojima, Ryuji Higa, Sadanao Okuda | 1998-09-29 |
| 5724888 | Printed image after-processing apparatus | Sadanao Okuda, Takahito Tojima | 1998-03-10 |
| 5694840 | Printing image after-processing apparatus | Sadanao Okuda, Takahito Tojima | 1997-12-09 |
| 5671675 | Print image treatment device | Sadanao Okuda, Ryuji Higa, Takahito Tojima | 1997-09-30 |
| 5642672 | Print image treatment device | Takahito Tojima, Ryuji Higa, Sadanao Okuda | 1997-07-01 |
| 5476043 | Method and device for post-processing a printed image in a printing device | Sadanao Okuda, Takahito Tojima | 1995-12-19 |
| 5243293 | System utilizing optical current sensors for detecting fault location in substation | Katsuro Shinoda, Toshiyuki Kawaguchi, Hiroyuki Katsukawa, Kazumi Nakanishi, Hiroyuki Abe +1 more | 1993-09-07 |
| 4709330 | System for supervising and guiding persons in construction | Shigeo Yokoi, Ryuta YAMAMOTO, Toshiyuki Kawaguchi | 1987-11-24 |