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Kenzo Susa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing porous bodies
Patent number
5,881,353
Issue date
Mar 9, 1999
Hitachi Chemical Company, Ltd.
Yasuo Kamigata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for homogenizing compound semiconductor single crystal in p...
Patent number
5,093,284
Issue date
Mar 3, 1992
Hitachi Chemical Company, Ltd.
Masato Yoshida
C30 - CRYSTAL GROWTH
Information
Patent Grant
Radiation detector
Patent number
4,891,520
Issue date
Jan 2, 1990
Hitachi, Ltd.
Hiroyuki Ishibashi
G01 - MEASURING TESTING
Information
Patent Grant
Single crystal thin film
Patent number
4,876,144
Issue date
Oct 24, 1989
Hitachi, Ltd.
Kenzo Susa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and process for producing the same
Patent number
4,842,917
Issue date
Jun 27, 1989
Hitachi, Ltd.
Tomoyuki Ohno
G11 - INFORMATION STORAGE
Information
Patent Grant
Piezoelectric transducer
Patent number
4,803,392
Issue date
Feb 7, 1989
Hitachi, Ltd.
Keiko Kushida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing optical glass
Patent number
4,426,216
Issue date
Jan 17, 1984
Hitachi, Ltd.
Shin Satoh
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing optical glass
Patent number
4,324,576
Issue date
Apr 13, 1982
Hitachi, Ltd.
Iwao Matsuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing mother rods for optical fibers
Patent number
4,323,381
Issue date
Apr 6, 1982
Hitachi, Ltd.
Iwao Matsuyama
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing silica glass
Patent number
4,317,668
Issue date
Mar 2, 1982
Hitachi, Ltd.
Kenzo Susa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing optical fiber preform
Patent number
4,259,101
Issue date
Mar 31, 1981
Hitachi, Ltd.
Yasuo Tsukuda
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Polyolefin magnetic fine particle having functional group on the su...
Publication number
20070060671
Publication date
Mar 15, 2007
TRIAL CORPORATION Precision System Science Co., Ltd.
Yuzuru Sugano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fine particles having controlled density
Publication number
20060141253
Publication date
Jun 29, 2006
Yuzuru Sugano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...