Koichi UMEZAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk storage unit for electronic computer
- Patent number D733134
- Issue date Jun 30, 2015
- Hitachi, Ltd.
- Toshiyuki Utsuki
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Magnetic disk storage unit for electronic computer
- Patent number D733135
- Issue date Jun 30, 2015
- Hitachi, Ltd.
- Toshiyuki Utsuki
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Quick charger and quick charging system for electric vehicle
- Patent number 9,061,597
- Issue date Jun 23, 2015
- Hitachi, Ltd.
- Masaru Oda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Magnetic disc storage unit for electronic computer
- Patent number D730894
- Issue date Jun 2, 2015
- Hitachi, Ltd.
- Junpei Hokari
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Magnetic disk storage unit for electronic computer
- Patent number D690694
- Issue date Oct 1, 2013
- Hitachi, Ltd.
- Toshiyuki Utsuki
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Electric vehicle charging station
- Patent number D669026
- Issue date Oct 16, 2012
- Hitachi, Ltd.
- Masaru Oda
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Electric vacuum cleaner
- Patent number 7,276,099
- Issue date Oct 2, 2007
- Hitachi Home & Life Solutions, Inc.
- Shoji Hayashi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Electric vacuum cleaner
- Patent number 7,207,083
- Issue date Apr 24, 2007
- Hitachi Home & Life Solutions, Inc.
- Shoji Hayashi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
QUICK CHARGER AND QUICK CHARGING SYSTEM FOR ELECTRIC VEHICLE
- Publication number 20130069588
- Publication date Mar 21, 2013
- Hitachi, Ltd
- Masaru ODA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Electric vacuum cleaner
- Publication number 20060218744
- Publication date Oct 5, 2006
- Shoji Hayashi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Electric vacuum cleaner
- Publication number 20060123751
- Publication date Jun 15, 2006
- Shoji Hayashi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Electric vacuum cleaner
- Publication number 20030226232
- Publication date Dec 11, 2003
- Shoji Hayashi
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Koichi UMEZAWA

Person

Patents Grantslast 30 patents

Magnetic disk storage unit for electronic computer

Magnetic disk storage unit for electronic computer

Quick charger and quick charging system for electric vehicle

Magnetic disc storage unit for electronic computer

Magnetic disk storage unit for electronic computer

Electric vehicle charging station

Electric vacuum cleaner

Electric vacuum cleaner

Patents Applicationslast 30 patents

QUICK CHARGER AND QUICK CHARGING SYSTEM FOR ELECTRIC VEHICLE

Electric vacuum cleaner

Electric vacuum cleaner

Electric vacuum cleaner