Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647805 | Transit-time difference type ultrasonic flowmeter | Tamotsu Kobayashi, Kunikazu Shigeta | 2003-11-18 |
| 6622572 | Ultrasonic flowmeter for controlling the gain of an amplifier for amplifying received signals | Tamotsu Kobayashi, Kunikazu Shigeta | 2003-09-23 |
| 6593792 | Buffer circuit block and design method of semiconductor integrated circuit by using the same | — | 2003-07-15 |
| 6504815 | Optical information medium, stamper for manufacturing transparent substrate therefor and recording method therefor | Emiko Hamada | 2003-01-07 |