Kazuo Matsumaru

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Kitakami, JP

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Patents Grantslast 30 patents

Information Patent Grant
High tensile steel filament member for rubber product reinforcement
- Patent number 5,956,935
- Issue date Sep 28, 1999
- Tokyo Rope Manufacturing Co., Ltd.
- Masaki Katayama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Steel cord for reinforcement of off-road tire, method of manufactur...
- Patent number 5,722,226
- Issue date Mar 3, 1998
- Tokyo Rope Manufacturing Co. Ltd.
- Kazuo Matsumaru
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Steel cords, radial tire reinforced with same, and apparatus for pr...
- Patent number 5,707,467
- Issue date Jan 13, 1998
- Tokyo Rope Manufacturing Co., Ltd.
- Kazuo Matsumaru
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Steel cord for reinforcement of off-road tire, method of manufactur...
- Patent number 5,661,966
- Issue date Sep 2, 1997
- Tokyo Rope Manufacturing Co. Ltd.
- Kazuo Matsumaru
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rubber reinforcing steel cord
- Patent number 5,609,014
- Issue date Mar 11, 1997
- Tokyo Rope Manufacturing Co., Ltd.
- Tamio Obara
- D07 - ROPES CABLES OTHER THAN ELECTRIC