Tetsutaro KOUJI

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for controlling ultrasonic motor and surveying instrument fo...
- Patent number 10,712,153
- Issue date Jul 14, 2020
- Topcon Corporation
- Kaoru Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Method for controlling ultrasonic motor and surveying instrument fo...
- Patent number 10,211,387
- Issue date Feb 19, 2019
- Topcon Corporation
- Kaoru Kumagai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CONTROLLING ULTRASONIC MOTOR AND SURVEYING INSTRUMENT FO...
- Publication number 20170309806
- Publication date Oct 26, 2017
- TOPCON CORPORATION
- Kaoru KUMAGAI
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
METHOD FOR CONTROLLING ULTRASONIC MOTOR AND SURVEYING INSTRUMENT FO...
- Publication number 20170299386
- Publication date Oct 19, 2017
- TOPCON CORPORATION
- Kaoru KUMAGAI
- G01 - MEASURING TESTING