Hiroyoshi Rangu

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical modulator
- Patent number 4,727,341
- Issue date Feb 23, 1988
- NEC Corporation
- Kenichi Nishi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Frequency-stabilized semiconductor laser oscillator
- Patent number 4,669,086
- Issue date May 26, 1987
- NEC Corporation
- Kazuhisa Kaede
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emitting semiconductor elements
- Patent number 4,636,821
- Issue date Jan 13, 1987
- NEC Corporation
- Tomoo Yanase
- H01 - BASIC ELECTRIC ELEMENTS