Isamu Umino

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Feed forward amplifier
- Patent number 5,477,187
- Issue date Dec 19, 1995
- Fujitsu Limited
- Fumihiko Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Space diversity reception system
- Patent number 5,263,180
- Issue date Nov 16, 1993
- Fujitsu Limited
- Eiichi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Band pass filter
- Patent number 5,021,757
- Issue date Jun 4, 1991
- Fujitsu Limited
- Fumihiko Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency generator with output shut-off or reduced by biasing...
- Patent number 4,538,121
- Issue date Aug 27, 1985
- Fujitsu Limited
- Yasuhiro Yano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency conversion unit
- Patent number 4,509,208
- Issue date Apr 2, 1985
- Fujitsu Limited
- Hiroyuki Sogo
- H03 - BASIC ELECTRONIC CIRCUITRY