Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831383 | System for detecting underground objects | Hiroyasu Ohnishi, Tatsukichi Matsuura, Kouji Maeda, Yasuhiro Uekubo, Teruo Usami | 1989-05-16 |
AJ
Akio Jitumori
Tokyo Electric Power Company Holdings, Incorporated: 1 patents #5 of 34Top 15%
Overall (1989): #139,947 of 140,708Top 100%
1
Patents 1989