Hirofumi Koga

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching current and a relay device employed therein
- Patent number 4,855,612
- Issue date Aug 8, 1989
- Omron Tateisi Electronics Co.
- Hirofumi Koga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low profile electromagnetic relay to printed circuit board
- Patent number 4,831,348
- Issue date May 16, 1989
- Omron Tateisi Electronics Co.
- Shunichi Agatahama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mounting structure for surface mounted type component with projecti...
- Patent number 4,814,944
- Issue date Mar 21, 1989
- Omron Tateisi Electronics Co.
- Hiroyuki Sagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching circuit and a relay device employed to prevent arcing
- Patent number 4,772,809
- Issue date Sep 20, 1988
- Omron Tateisi Electronics Co.
- Hirofumi Koga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic drive and polarized relay
- Patent number 4,727,344
- Issue date Feb 23, 1988
- Omron Tateisi Electronics Co.
- Hirofumi Koga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic drive and polarized relay
- Patent number 4,626,813
- Issue date Dec 2, 1986
- Omron Tateisi Electronics Co.
- Hirofumi Koga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic relay
- Patent number 4,272,745
- Issue date Jun 9, 1981
- Omron Tateisi Electronics Co.
- Takashi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Hirofumi Koga

Person

Patents Grantslast 30 patents

Switching current and a relay device employed therein

Low profile electromagnetic relay to printed circuit board

Mounting structure for surface mounted type component with projecti...

Switching circuit and a relay device employed to prevent arcing

Electromagnetic drive and polarized relay

Electromagnetic drive and polarized relay

Electromagnetic relay