Hiroyuki Eto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inner springs for use in furniture and bedding and a producing meth...
- Patent number 6,170,807
- Issue date Jan 9, 2001
- Matsushita Industrial Co., Ltd.
- Hiroyuki Eto
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Cased coil spring producing apparatus
- Patent number 6,119,322
- Issue date Sep 19, 2000
- Matsushita Industrial Co., Ltd.
- Hiroyuki Eto
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Press holding mechanism for use in pocket coil spring structure ass...
- Patent number 5,988,253
- Issue date Nov 23, 1999
- Matsushita Industrial Co., Ltd.
- Hiroyuki Eto
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Pocket coil spring structure assembling apparatus
- Patent number 5,792,309
- Issue date Aug 11, 1998
- Matsushita Industrial Co., Ltd.
- Hiroyuki Eto
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Pocket coil spring producing apparatus
- Patent number 5,740,597
- Issue date Apr 21, 1998
- Matsushita Industrial Co., Ltd.
- Hiroyuki Eto
- B68 - SADDLERY UPHOLSTERY