Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696878 | Speaker normalization using constrained spectra shifts in auditory filter domain | Yunxin Zhao, Hisashi Wakita | 1997-12-09 |
| 5683374 | Absorbent padding for undergarments | Masamitsu Yamamoto, Yoshihisa Fujioka | 1997-11-04 |
| 5662634 | Method for making a liquid absorbent pad | Masamitsu Yamamoto, Yoshihisa Fujioka | 1997-09-02 |
| 5634917 | Disposable absorbent undergarment | Yoshihisa Fujioka | 1997-06-03 |