Communications Research Laboratory, Ministry of Posts and Telecommunications

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for computing multiple integral, and recording...
- Patent number 6,832,233
- Issue date Dec 14, 2004
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Ken Umeno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Road vehicle communication method using light and radio
- Patent number 6,766,172
- Issue date Jul 20, 2004
- Oki Electric Industry Co., Ltd.
- Kiyohito Tokuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for outputting sequence of vectors, data recor...
- Patent number 6,668,265
- Issue date Dec 23, 2003
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Ken Umeno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
OUTPUT APPARATUS, TRANSMITTER, RECEIVER, COMMUNICATIONS SYSTEM FOR...
- Patent number 6,661,831
- Issue date Dec 9, 2003
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Ken Umeno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for outputting stochastic processes, and data rec...
- Patent number 6,477,481
- Issue date Nov 5, 2002
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Ken Umeno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time-division multiple-access communication system
- Patent number 6,442,146
- Issue date Aug 27, 2002
- Sharp Kabushiki Kaisha
- Tetsuo Onodera
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
General multi-function optical filter
- Patent number 6,304,689
- Issue date Oct 16, 2001
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Benjamin Dingel
- G02 - OPTICS
Information Patent Grant
Apparatus for optically generating chaotic random numbers
- Patent number 6,263,146
- Issue date Jul 17, 2001
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Ken Umeno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Planar radiation oscillator apparatus
- Patent number 6,246,295
- Issue date Jun 12, 2001
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method for fabricating the same
- Patent number 6,051,454
- Issue date Apr 18, 2000
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Anda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radiating oscillator apparatus for micro-and millimeter waves
- Patent number 5,982,245
- Issue date Nov 9, 1999
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gaussian-beam antenna
- Patent number 5,581,267
- Issue date Dec 3, 1996
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gaussian-beam oscillator for microwave and millimeter waves
- Patent number 5,450,040
- Issue date Sep 12, 1995
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for measuring surface characteristics of material
- Patent number 5,379,110
- Issue date Jan 3, 1995
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Toshiaki Matsui
- G01 - MEASURING TESTING
Information Patent Grant
Convolutionally-encoded quadrature frequency-modulation system
- Patent number 5,173,926
- Issue date Dec 22, 1992
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Ken Iwasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Superconducting weak link device
- Patent number 5,109,164
- Issue date Apr 28, 1992
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Open resonator for electromagnetic waves having a polarized couplin...
- Patent number 5,012,212
- Issue date Apr 30, 1991
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Toshiaki Matsui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of predicting volcanic eruptions
- Patent number 4,961,143
- Issue date Oct 2, 1990
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Kozo Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting long waves and predicting earthquakes
- Patent number 4,904,943
- Issue date Feb 27, 1990
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Kozo Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Multi-level quadrature amplitude modulator system with fading compe...
- Patent number 4,899,367
- Issue date Feb 6, 1990
- Communications Research Laboratory Ministry of Posts and Telecommunications
- Seiichi Sampei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for measuring height distributions of atmospheric temperatur...
- Patent number 4,761,650
- Issue date Aug 2, 1988
- Communications Research Laboratory, Ministry of Posts and Telecommunications
- Yoshihisa Masuda
- G01 - MEASURING TESTING

Communications Research Laboratory, Ministry of Posts and Telecommunications

Organization

Patents Grantslast 30 patents

Apparatus and method for computing multiple integral, and recording...

Road vehicle communication method using light and radio

Apparatus and method for outputting sequence of vectors, data recor...

OUTPUT APPARATUS, TRANSMITTER, RECEIVER, COMMUNICATIONS SYSTEM FOR...

Device and method for outputting stochastic processes, and data rec...

Time-division multiple-access communication system

General multi-function optical filter

Apparatus for optically generating chaotic random numbers

Planar radiation oscillator apparatus

Semiconductor device and method for fabricating the same

Radiating oscillator apparatus for micro-and millimeter waves

Gaussian-beam antenna

Gaussian-beam oscillator for microwave and millimeter waves

Method and apparatus for measuring surface characteristics of material

Convolutionally-encoded quadrature frequency-modulation system

Superconducting weak link device

Open resonator for electromagnetic waves having a polarized couplin...

Method of predicting volcanic eruptions

Method for detecting long waves and predicting earthquakes

Multi-level quadrature amplitude modulator system with fading compe...

System for measuring height distributions of atmospheric temperatur...