Kiyotomo HASEGAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module
- Patent number 11,703,378
- Issue date Jul 18, 2023
- Mitsubishi Electric Corporation
- Mizuki Shirao
- G01 - MEASURING TESTING
Information Patent Grant
Variable wavelength light source and method for controlling wavelen...
- Patent number 11,070,027
- Issue date Jul 20, 2021
- Mitsubishi Electric Corporation
- Yuto Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission apparatus, optical transmission method, contro...
- Patent number 10,903,908
- Issue date Jan 26, 2021
- Mitsubishi Electric Corporation
- Hayato Sano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator
- Patent number 10,534,239
- Issue date Jan 14, 2020
- Mitsubishi Electric Corporation
- Toshiyuki Tanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
NEAR-INFRARED PULSED LIGHT SOURCE AND TERAHERTZ WAVE GENERATION DEVICE
- Publication number 20240272517
- Publication date Aug 15, 2024
- Mitsubishi Electric Corporation
- Kenichi Hirosawa
- G02 - OPTICS
Information Patent Application
LASER RADAR DEVICE AND WIND MEASUREMENT METHOD
- Publication number 20230273323
- Publication date Aug 31, 2023
- Mitsubishi Electric Corporation
- Kenichi HIROSAWA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MODULE
- Publication number 20220057256
- Publication date Feb 24, 2022
- Mitsubishi Electric Corporation
- Mizuki SHIRAO
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MODULE
- Publication number 20210013694
- Publication date Jan 14, 2021
- Mitsubishi Electric Corporation
- Kei MASUYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION METHOD, CONTRO...
- Publication number 20200106527
- Publication date Apr 2, 2020
- Mitsubishi Electric Corporation
- Hayato SANO
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20190129273
- Publication date May 2, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Toshiyuki TANAKA
- G02 - OPTICS
Information Patent Application
VARIABLE WAVELENGTH LIGHT SOURCE AND METHOD FOR CONTROLLING WAVELEN...
- Publication number 20190109434
- Publication date Apr 11, 2019
- Mitsubishi Electric Corporation
- Yuto Ueno
- H01 - BASIC ELECTRIC ELEMENTS

Kiyotomo HASEGAWA

Person

Patents Grantslast 30 patents

Optical module

Variable wavelength light source and method for controlling wavelen...

Optical transmission apparatus, optical transmission method, contro...

Optical modulator

Patents Applicationslast 30 patents

NEAR-INFRARED PULSED LIGHT SOURCE AND TERAHERTZ WAVE GENERATION DEVICE

LASER RADAR DEVICE AND WIND MEASUREMENT METHOD

OPTICAL MODULE

OPTICAL MODULE

OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION METHOD, CONTRO...

OPTICAL MODULATOR

VARIABLE WAVELENGTH LIGHT SOURCE AND METHOD FOR CONTROLLING WAVELEN...