Kiyoshi Toyama

Person

Gifu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of using a substrate with magnetic substance of a magnetic s...
- Patent number 6,153,321
- Issue date Nov 28, 2000
- Teijun Seiki Co.
- Kiyoshi Toyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of manufacturing magnetic patterns
- Patent number 5,580,639
- Issue date Dec 3, 1996
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing a medium having a magnetic pattern
- Patent number 5,527,663
- Issue date Jun 18, 1996
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing article having magnetic patterns
- Patent number 5,445,707
- Issue date Aug 29, 1995
- Teijin Seiko Co., Ltd.
- Kiyoshi Toyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magneto-optically modulating system
- Patent number 5,434,934
- Issue date Jul 18, 1995
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G02 - OPTICS
Information Patent Grant
Method of manufacturing a medium having a magnetic pattern
- Patent number 5,429,911
- Issue date Jul 4, 1995
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing article having magnetic patterns
- Patent number 5,427,675
- Issue date Jun 27, 1995
- Teijin Seiki Co., Ltd.
- Kiyoshi Toyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic medium comprising a substrate having pits and grooves of s...
- Patent number 5,350,618
- Issue date Sep 27, 1994
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic medium and method of manufacturing the same
- Patent number 5,336,586
- Issue date Aug 9, 1994
- Teijin Seiki Co., Ltd.
- Masayuki Togawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical position sensor using Faraday effect element and magnetic s...
- Patent number 4,931,635
- Issue date Jun 5, 1990
- Teijin Seiki Company Limited
- Kiyoshi Toyama
- G01 - MEASURING TESTING
Information Patent Grant
Optical position sensor using Kerr effect and a magnetic scale
- Patent number 4,931,634
- Issue date Jun 5, 1990
- Teijin Seiki Company Limited
- Kiyoshi Toyama
- G01 - MEASURING TESTING

Kiyoshi Toyama

Person

Patents Grantslast 30 patents

Method of using a substrate with magnetic substance of a magnetic s...

Method of manufacturing magnetic patterns

Method of manufacturing a medium having a magnetic pattern

Method of manufacturing article having magnetic patterns

Magneto-optically modulating system

Method of manufacturing a medium having a magnetic pattern

Method of manufacturing article having magnetic patterns

Magnetic medium comprising a substrate having pits and grooves of s...

Magnetic medium and method of manufacturing the same

Optical position sensor using Faraday effect element and magnetic s...

Optical position sensor using Kerr effect and a magnetic scale