Japanese National Railways

Organization

Tokyo, JP

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Credit settlement and ticketing terminal system
- Patent number 4,794,530
- Issue date Dec 27, 1988
- Hitachi, Ltd.
- Kazuo Yukiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Friction brakes
- Patent number 4,760,900
- Issue date Aug 2, 1988
- The Japan Steel Works, Ltd.
- Takashi Shima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration control apparatus for vehicles
- Patent number 4,746,143
- Issue date May 24, 1988
- Japanese National Railways
- Isao Okamoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System for detecting flat portion of peripheral surface of vehicle...
- Patent number 4,696,446
- Issue date Sep 29, 1987
- Shinko Electric Co. Ltd.
- Asahi Mochizuki
- G01 - MEASURING TESTING
Information Patent Grant
Resilient coat for tie of direct-connection type track
- Patent number 4,652,495
- Issue date Mar 24, 1987
- Japanese National Railways
- Yoshihiko Sato
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Tendon for prestressed concrete
- Patent number 4,648,224
- Issue date Mar 10, 1987
- Japanese National Railways
- Toshiyuki Kitta
- E04 - BUILDING
Information Patent Grant
Insulating plate for rail insulated joint
- Patent number 4,630,772
- Issue date Dec 23, 1986
- Matsushita Electric Industrial Co., Ltd.
- Kainen Watanabe
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Channel control system for loop type signal transmission channel
- Patent number 4,622,664
- Issue date Nov 11, 1986
- Japanese National Railways
- Ken Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gas pressure welding machine
- Patent number 4,576,324
- Issue date Mar 18, 1986
- Japanese National Railways
- Tadashi Takimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metallic sheath for a posttensioning method provided with rust proo...
- Patent number 4,557,087
- Issue date Dec 10, 1985
- Japanese National Railways
- Toshiyuki Kitta
- E04 - BUILDING
Information Patent Grant
Method of field welding head-hardened rails
- Patent number 4,556,164
- Issue date Dec 3, 1985
- Japanese National Railways
- Hirotsugu Oishibashi
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Build-up spraying apparatus
- Patent number 4,520,756
- Issue date Jun 4, 1985
- Japanese National Railways
- Mitsuji Hayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Feeder voltage compensating apparatus for electric railway
- Patent number 4,468,572
- Issue date Aug 28, 1984
- Japanese National Railways
- Azusa Miura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic train control device
- Patent number 4,459,668
- Issue date Jul 10, 1984
- Japanese National Railways
- Hitoshi Inoue
- B61 - RAILWAYS
Information Patent Grant
Lambda type direct suspending overhead contact system for electric...
- Patent number 4,454,389
- Issue date Jun 12, 1984
- Japanese National Railway
- Osamu Oda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Noise control apparatus
- Patent number 4,436,179
- Issue date Mar 13, 1984
- Japanese National Railways
- Tsuyoshi Yamamoto
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Device for sealing a propeller shaft against invasion of sea water
- Patent number 4,436,313
- Issue date Mar 13, 1984
- Japanese National Railways
- Hiroshi Tamama
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Punching-shearing method for inspecting quality of butt welded joint
- Patent number 4,416,158
- Issue date Nov 22, 1983
- Japanese National Railways
- Tadashi Takimoto
- G01 - MEASURING TESTING
Information Patent Grant
Control system for a linear synchronous motor
- Patent number 4,381,478
- Issue date Apr 26, 1983
- Hitachi, Ltd.
- Takashige Saijo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Connecting device for conduits
- Patent number 4,335,747
- Issue date Jun 22, 1982
- Aisin Seiki Kabushiki Kaisha
- Takashi Mitsumoto
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Automatic message announcement system
- Patent number 4,307,859
- Issue date Dec 29, 1981
- Japanese National Railways
- Yoshiro Hayashi
- G07 - CHECKING-DEVICES
Information Patent Grant
Levitation and guide mechanism for curved track in inductive repuls...
- Patent number 4,299,173
- Issue date Nov 10, 1981
- Japanese National Railways
- Kazutaka Arima
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automatic message announcement system
- Patent number 4,276,572
- Issue date Jun 30, 1981
- Japanese National Railways
- Yoshiro Hayashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Vehicle vibration damping method in the induced repulsion type magn...
- Patent number 4,273,054
- Issue date Jun 16, 1981
- Japanese National Railways
- Hiroshi Yamashita
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Butt welding and burr shearing machine for reinforce steel
- Patent number 4,272,003
- Issue date Jun 9, 1981
- Japanese National Railways
- Hirotsugu Oishibashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Injection materials for railroad track beds
- Patent number 4,267,085
- Issue date May 12, 1981
- Japanese National Railways
- Yasuo Katoh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Means of stringing trolley wires
- Patent number 4,230,209
- Issue date Oct 28, 1980
- Japanese National Railways
- Yasushi Ohura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for optical method of measuring rail displacement
- Patent number 4,181,430
- Issue date Jan 1, 1980
- Japanese National Railways
- Yasushi Shirota
- G01 - MEASURING TESTING
Information Patent Grant
Track displacement detecting and measuring system
- Patent number 4,173,073
- Issue date Nov 6, 1979
- Hitachi, Ltd.
- Yoshiro Fukazawa
- G01 - MEASURING TESTING
Information Patent Grant
Process for excavating and constructing tunnel and excavating device
- Patent number 4,166,509
- Issue date Sep 4, 1979
- Japanese National Railways
- Toshiyuki Ueno
- E21 - EARTH DRILLING MINING

Japanese National Railways

Organization

Patents Grantslast 30 patents

Credit settlement and ticketing terminal system

Friction brakes

Vibration control apparatus for vehicles

System for detecting flat portion of peripheral surface of vehicle...

Resilient coat for tie of direct-connection type track

Tendon for prestressed concrete

Insulating plate for rail insulated joint

Channel control system for loop type signal transmission channel

Gas pressure welding machine

Metallic sheath for a posttensioning method provided with rust proo...

Method of field welding head-hardened rails

Build-up spraying apparatus

Feeder voltage compensating apparatus for electric railway

Automatic train control device

Lambda type direct suspending overhead contact system for electric...

Noise control apparatus

Device for sealing a propeller shaft against invasion of sea water

Punching-shearing method for inspecting quality of butt welded joint

Control system for a linear synchronous motor

Connecting device for conduits

Automatic message announcement system

Levitation and guide mechanism for curved track in inductive repuls...

Automatic message announcement system

Vehicle vibration damping method in the induced repulsion type magn...

Butt welding and burr shearing machine for reinforce steel

Injection materials for railroad track beds

Means of stringing trolley wires

Method and apparatus for optical method of measuring rail displacement

Track displacement detecting and measuring system

Process for excavating and constructing tunnel and excavating device