Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257199 | Apparatus for identifying tools and for managing tool data | Hiroyuki Yamada | 1993-10-26 |
| 5227667 | Microwave proximity switch | Takaharu Takinami | 1993-07-13 |
| 5076102 | Tool monitor | Masanori Sato | 1991-12-31 |
| 4918296 | Article identifying system | Hisato Fujisaka, Tunetaka Shimada | 1990-04-17 |
| 4282430 | Reflection-type photoelectric switching apparatus | Hideaki Hatten, Norio Onji, Toshifumi Fukuyama | 1981-08-04 |