Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148023 | Ultraviolet ray measuring apparatus for predicting sunburn level and for obtaining SPF values of cosmetics | Mutsumi Hayashi, Ryoji Takamura, Minoru Ueda, Ichiro Kumo | 1992-09-15 |
| 4566319 | Process and apparatus for measuring thermal shrinkage properties of yarn | Jun Torikai, Ichiro Kumo | 1986-01-28 |
| 4182167 | Yarn tension meter | Takao Nakayama, Michio Ohno | 1980-01-08 |