Yoshitsugu Kono

Follow

Person

Iwate, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Projection optical system, projector and image reading device
- Patent number 8,419,191
- Issue date Apr 16, 2013
- Ricoh Optical Industries, Co., Ltd.
- Osamu Nagase
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION OPTICAL SYSTEM, PROJECTOR AND IMAGE READING DEVICE
- Publication number 20100097582
- Publication date Apr 22, 2010
- RICOH OPTICAL INDUSTRIES, CO., LTD
- Osamu Nagase
- G02 - OPTICS