Hiroyuki Koshi

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical multiplexer/demultiplexer
- Patent number 6,804,430
- Issue date Oct 12, 2004
- The Furukawa Electric Co., Ltd.
- Isao Ooyama
- G02 - OPTICS
Information Patent Grant
Optical multiplexer/demultiplexer
- Patent number 6,728,447
- Issue date Apr 27, 2004
- The Furukawa Electric Co., Ltd.
- Hiroyuki Koshi
- G02 - OPTICS
Information Patent Grant
Wavelength multiplexing module with polarization maintaining fibers...
- Patent number 6,618,521
- Issue date Sep 9, 2003
- The Furukawa Electric Co., Ltd.
- Hiroyuki Koshi
- G02 - OPTICS
Information Patent Grant
Optical waveguide circuit
- Patent number 6,539,158
- Issue date Mar 25, 2003
- The Furukawa Electric Co., Ltd.
- Kazuhisa Kashihara
- G02 - OPTICS
Information Patent Grant
Hybrid optical waveguide circuit chip, and method for predicting th...
- Patent number 6,480,642
- Issue date Nov 12, 2002
- Furukawa Electric Co., Ltd.
- Hiroshi Kawashima
- G02 - OPTICS
Information Patent Grant
Optical wavelength multiplexing and dividing device
- Patent number 6,415,072
- Issue date Jul 2, 2002
- The Furukawa Electric Co., Ltd.
- Naoki Hashizume
- G02 - OPTICS
Information Patent Grant
Array waveguide diffraction grating optical multiplexer/demultiplexer
- Patent number 6,195,481
- Issue date Feb 27, 2001
- The Furukawa Electric Co., Ltd.
- Takeshi Nakajima
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
CYTOMETRIC MECHANISM, CELL CULTURE DEVICE COMPRISING SAME, AND CYTO...
- Publication number 20170306287
- Publication date Oct 26, 2017
- Hitachi High-Technologies Corporation
- Masako KAWARAI
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ELEMENTARY ANALYSIS APPARATUS AND METHOD
- Publication number 20130201477
- Publication date Aug 8, 2013
- Hitachi High-Technologies Corporation
- Koji Kurita
- G01 - MEASURING TESTING
Information Patent Application
Optical multiplexer/demultiplexer
- Publication number 20030007734
- Publication date Jan 9, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Hiroyuki Koshi
- G02 - OPTICS
Information Patent Application
Optical multiplexer/demultiplexer
- Publication number 20030002786
- Publication date Jan 2, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Isao Ooyama
- G02 - OPTICS
Information Patent Application
Pumping source apparatus
- Publication number 20020025111
- Publication date Feb 28, 2002
- The Furukawa Electric CO., LTD
- Hiroyuki Koshi
- G02 - OPTICS
Information Patent Application
Optical waveguide type directional coupler and optical waveguide ci...
- Publication number 20020015561
- Publication date Feb 7, 2002
- Hiroshi Kawashima
- G02 - OPTICS
Information Patent Application
Optical waveguide circuit
- Publication number 20010046361
- Publication date Nov 29, 2001
- THE FURUKAWA ELECTRIC CO., LTD.
- Kazuhisa Kashihara
- G02 - OPTICS

Hiroyuki Koshi

Person

Patents Grantslast 30 patents

Optical multiplexer/demultiplexer

Optical multiplexer/demultiplexer

Wavelength multiplexing module with polarization maintaining fibers...

Optical waveguide circuit

Hybrid optical waveguide circuit chip, and method for predicting th...

Optical wavelength multiplexing and dividing device

Array waveguide diffraction grating optical multiplexer/demultiplexer

Patents Applicationslast 30 patents

CYTOMETRIC MECHANISM, CELL CULTURE DEVICE COMPRISING SAME, AND CYTO...

ELEMENTARY ANALYSIS APPARATUS AND METHOD

Optical multiplexer/demultiplexer

Optical multiplexer/demultiplexer

Pumping source apparatus

Optical waveguide type directional coupler and optical waveguide ci...

Optical waveguide circuit