Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856090 | Light communication equipment | Shigehisa Kitani, Hirokimi Shimizu | 1989-08-08 |
AS
Atsuyoshi Sasai
Overall (1989): #130,454 of 140,708Top 95%
1
Patents 1989