Hiroshi Hirooka

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Dehydrating method for a washing machine
- Patent number 4,843,671
- Issue date Jul 4, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Hirooka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Dehydrating tank stopping mechanism for single-tank type washing ma...
- Patent number 4,732,016
- Issue date Mar 22, 1988
- Mitsubishi Denki K.K.
- Hiroshi Hirooka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Washing machine
- Patent number 4,676,077
- Issue date Jun 30, 1987
- Mitsubishi Denki Kabushiki Kaisha Nihon Kentetsu Co., Ltd.
- Hiroshi Hirooka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Agitating type washing machine
- Patent number 4,554,805
- Issue date Nov 26, 1985
- Kaisha, Kentetsuco., Ltd.
- Hiroshi Hirooka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Agitating type washing machine
- Patent number 4,542,633
- Issue date Sep 24, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Hirooka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...