Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841775 | Vibratory transducer | Kyoichi Ikeda, Yasushi Higashino | 1989-06-27 |
| 4810927 | Color display tube with shadow mask and fabricating method thereof | — | 1989-03-07 |
TW
Tetsuya Watanabe
Yokogawa Electric: 1 patents #16 of 57Top 30%
Overall (1989): #14,538 of 140,708Top 15%
2
Patents 1989