Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833871 | Apparatus for inserting optical fibers into a spacer having spiral grooves | Masanori Fujikawa, Masakazu Watanabe | 1989-05-30 |
SO
Satoshi Ogawa
Overall (1989): #59,127 of 140,708Top 45%
1
Patents 1989