Michiya Kawakami

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing hydrogen peroxide
- Patent number 5,399,334
- Issue date Mar 21, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Michiya Kawakami
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing hydrogen peroxide
- Patent number 5,378,450
- Issue date Jan 3, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Tomita
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity cleaning system
- Patent number 5,326,035
- Issue date Jul 5, 1994
- OHMI Tadahiro
- Tadahiro Ohmi
- B08 - CLEANING
Information Patent Grant
Method for producing hydrogen peroxide
- Patent number 5,320,821
- Issue date Jun 14, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Hiromitsu Nagashima
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cleaning solution of semiconductor substrate
- Patent number 5,302,311
- Issue date Apr 12, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Yasuo Sugihara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of hydrogen peroxide
- Patent number 5,292,496
- Issue date Mar 8, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Hiromitsu Nagashima
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Piping system for supplying ultra-pure water
- Patent number 5,160,429
- Issue date Nov 3, 1992
- OHMI Tadahiro
- Tadahiro Ohmi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE