Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405834 | Elevator maintenance/operation apparatus | Junichiro Ishikawa, Shigeki Yamakawa, Hiroshi Ando, Kunio Katou | 2002-06-18 |
AC
Akihiro Chida
Overall (2002): #260,165 of 266,432Top 100%
1
Patents 2002