Membership
Tour
Register
Log in
Katsuto Nakatsuka
Follow
Person
Sendai, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Underground chemical reactor
Patent number
4,937,052
Issue date
Jun 26, 1990
Tohoku University
Hideaki Takahashi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method of drilling a well by utilizing AE/MA measurement
Patent number
4,924,950
Issue date
May 15, 1990
Nakatsuka; K.
Hiroaki Niitsuma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of collecting geothermal steam using AE/MA measurement
Patent number
4,739,830
Issue date
Apr 26, 1988
Japan Metals & Chemicals Co., Ltd.
Hiroaki Niitsuma
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Vibration damping equipment
Patent number
4,679,775
Issue date
Jul 14, 1987
Yakumo Industrial Corporation
Takashi Funaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...