Kazumasa Takagi

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mortar peeling method
- Patent number 9,284,740
- Issue date Mar 15, 2016
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Mounting base
- Patent number 9,068,320
- Issue date Jun 30, 2015
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Mounting base
- Patent number 8,955,283
- Issue date Feb 17, 2015
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic recording media for longitudinal recording, process for pr...
- Patent number 6,627,253
- Issue date Sep 30, 2003
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Superconducting single flux quantum circuit
- Patent number 6,608,518
- Issue date Aug 19, 2003
- Hitachi, Ltd.
- Futoshi Furuta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Superconductor signal amplifier
- Patent number 6,486,756
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Yoshinobu Tarutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording media for longitudinal recording
- Patent number 6,335,103
- Issue date Jan 1, 2002
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Superconductive single flux quantum logic circuit
- Patent number 6,310,488
- Issue date Oct 30, 2001
- Hitachi, Ltd.
- Haruhiro Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Magnetic recording media for longitudinal recording
- Patent number 6,010,794
- Issue date Jan 4, 2000
- Hitachi, Ltd.
- Hiroyuki Suzuki
Information Patent Grant
Bi-layer oxide ferroelectrics
- Patent number 5,914,068
- Issue date Jun 22, 1999
- Hitachi, Ltd.
- Masahiko Hiratani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnetic recording media for longitudinal recording
- Patent number 5,665,478
- Issue date Sep 9, 1997
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Superconducting device
- Patent number 5,550,389
- Issue date Aug 27, 1996
- Hitachi, Ltd.
- Toshikazu Nishino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconducting field effect transistor with increased channel length
- Patent number 5,380,704
- Issue date Jan 10, 1995
- Hitachi, Ltd.
- Yoshinobu Tarutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabricating superconducting materials and superconductiv...
- Patent number 5,316,585
- Issue date May 31, 1994
- Hitachi, Ltd.
- Yukio Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Superconductive switching element with semiconductor channel
- Patent number 5,250,506
- Issue date Oct 5, 1993
- Hitachi, Ltd.
- Shinichiroh Saitoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording medium and magnetic storage
- Patent number 5,236,791
- Issue date Aug 17, 1993
- Hitachi, Ltd.
- Yotsuo Yahisa
- G11 - INFORMATION STORAGE
Information Patent Grant
Manganese-aluminum and manganese-silicon magnetic films, and magnet...
- Patent number 5,231,294
- Issue date Jul 27, 1993
- Hitachi, Ltd.
- Teruaki Takeuchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Longitudinal magnetic recording media and magnetic memory units
- Patent number 5,147,732
- Issue date Sep 15, 1992
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media for longitudinal recording, process for pr...
- Patent number 5,143,794
- Issue date Sep 1, 1992
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for controlling oxygen content of superconductive oxide, su...
- Patent number 5,096,882
- Issue date Mar 17, 1992
- Hitachi, Ltd.
- Takahiko Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming weak-link Josephson junction, and superconducting...
- Patent number 5,077,266
- Issue date Dec 31, 1991
- Hitachi, Ltd.
- Kazumasa Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabricating superconducting oxide thin films by activate...
- Patent number 4,950,642
- Issue date Aug 21, 1990
- Hitachi, Ltd.
- Yukio Okamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,939,045
- Issue date Jul 3, 1990
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Flux method of growing oxide superconductors
- Patent number 4,921,834
- Issue date May 1, 1990
- Hitachi, Ltd.
- Haruhiro Hasegawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnetic recording medium
- Patent number 4,883,711
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- G11 - INFORMATION STORAGE
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
Magnetic recording medium
- Patent number 4,833,020
- Issue date May 23, 1989
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- 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
Optical waveguide and method for making the same
- Patent number 4,691,983
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Toshio Kobayashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
WORK GONDOLA
- Publication number 20180355625
- Publication date Dec 13, 2018
- Marutaka-Kogyo Inc.
- Kazumasa TAKAGI
- B66 - HOISTING LIFTING HAULING
Information Patent Application
MORTAR PEELING DEVICE
- Publication number 20150107570
- Publication date Apr 23, 2015
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- E04 - BUILDING
Information Patent Application
PEELING DEVICE
- Publication number 20140345589
- Publication date Nov 27, 2014
- Kazumasa Takagi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
MOUNTING BASE
- Publication number 20140311068
- Publication date Oct 23, 2014
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
MOUNTING BASE
- Publication number 20130326992
- Publication date Dec 12, 2013
- Marutaka-Kogyo Inc.
- Kazumasa Takagi
- E04 - BUILDING
Information Patent Application
Superconducting single flux quantum circuit
- Publication number 20030016069
- Publication date Jan 23, 2003
- Hitachi, Ltd.
- Futoshi Furuta
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic recording media for longitudinal recording, process for pr...
- Publication number 20010053458
- Publication date Dec 20, 2001
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
Superconductor signal amplifier
- Publication number 20010025012
- Publication date Sep 27, 2001
- Yoshinobu Tarutani
- H01 - BASIC ELECTRIC ELEMENTS

Kazumasa Takagi

Person

Patents Grantslast 30 patents

Mortar peeling method

Mounting base

Mounting base

Magnetic recording media for longitudinal recording, process for pr...

Superconducting single flux quantum circuit

Superconductor signal amplifier

Magnetic recording media for longitudinal recording

Superconductive single flux quantum logic circuit

Magnetic recording media for longitudinal recording

Bi-layer oxide ferroelectrics

Magnetic recording media for longitudinal recording

Superconducting device

Superconducting field effect transistor with increased channel length

Method for fabricating superconducting materials and superconductiv...

Superconductive switching element with semiconductor channel

Magnetic recording medium and magnetic storage

Manganese-aluminum and manganese-silicon magnetic films, and magnet...

Longitudinal magnetic recording media and magnetic memory units

Magnetic recording media for longitudinal recording, process for pr...

Process for controlling oxygen content of superconductive oxide, su...

Method of forming weak-link Josephson junction, and superconducting...

Method for fabricating superconducting oxide thin films by activate...

Magnetic recording medium

Flux method of growing oxide superconductors

Magnetic recording medium

Single crystal thin film

Magnetic recording medium and process for producing the same

Magnetic recording medium

Piezoelectric transducer

Optical waveguide and method for making the same

Patents Applicationslast 30 patents

WORK GONDOLA

MORTAR PEELING DEVICE

PEELING DEVICE

MOUNTING BASE

MOUNTING BASE

Superconducting single flux quantum circuit

Magnetic recording media for longitudinal recording, process for pr...

Superconductor signal amplifier