Hironao Hakogi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical connector
- Patent number 6,227,721
- Issue date May 8, 2001
- Oki Electric Industry Co., Ltd.
- Katsuyoshi Naito
- G02 - OPTICS
Information Patent Grant
Optical module packaged with molded resin
- Patent number 6,181,854
- Issue date Jan 30, 2001
- Fujitsu Limited
- Takashi Kojima
- G02 - OPTICS
Information Patent Grant
Structures for optical semiconductor module, optical connector, and...
- Patent number 6,135,644
- Issue date Oct 24, 2000
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Fiber-detachable-type optical module
- Patent number 6,086,265
- Issue date Jul 11, 2000
- Fujitsu Limited
- Masaki Kuribayashi
- G02 - OPTICS
Information Patent Grant
Receptacle optical module
- Patent number 5,940,563
- Issue date Aug 17, 1999
- Fujitsu Limited
- Kazuhiko Kobayashi
- G02 - OPTICS
Information Patent Grant
Optical waveguide device and optical waveguide apparatus
- Patent number 5,841,927
- Issue date Nov 24, 1998
- Fujitsu Limited
- Junko Watanabe
- G02 - OPTICS
Information Patent Grant
Optical semiconductor assembly having a conductive float pad
- Patent number 5,814,871
- Issue date Sep 29, 1998
- Fujitsu Ltd.
- Hiroyuki Furukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor module
- Patent number 5,802,230
- Issue date Sep 1, 1998
- Fujitsu Limited
- Masaki Kuribayashi
- G02 - OPTICS
Information Patent Grant
Fiber-detachable-type optical module
- Patent number 5,784,513
- Issue date Jul 21, 1998
- Fujitsu Limited
- Masaki Kuribayashi
- G02 - OPTICS
Information Patent Grant
Waveguide-optical fiber connection structure and waveguide-optical...
- Patent number 5,784,509
- Issue date Jul 21, 1998
- Fujitsu Limited
- Takashi Yamane
- G02 - OPTICS
Information Patent Grant
Optical transmitting/receiving module having communication lines co...
- Patent number 5,721,426
- Issue date Feb 24, 1998
- Fujitsu Limited
- Yoshimitsu Sakai
- G02 - OPTICS
Information Patent Grant
Method of fabricating optical waveguide device
- Patent number 5,679,291
- Issue date Oct 21, 1997
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Method of manufacturing an optical waveguide device
- Patent number 5,612,086
- Issue date Mar 18, 1997
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Dielectric optical waveguide device
- Patent number 5,598,490
- Issue date Jan 28, 1997
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Waveguide-optical fiber connection structure and waveguide-optical...
- Patent number 5,557,695
- Issue date Sep 17, 1996
- Fujitsu Limited
- Takashi Yamane
- G02 - OPTICS
Information Patent Grant
Dielectric optical waveguide device
- Patent number 5,473,711
- Issue date Dec 5, 1995
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Optical modulator for an optical transmitter
- Patent number 5,359,449
- Issue date Oct 25, 1994
- Fujitsu Limited
- Hiroshi Nishimoto
- G02 - OPTICS
Information Patent Grant
Operating point trimming method for optical waveguide modulator and...
- Patent number 5,283,842
- Issue date Feb 1, 1994
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Polarization-independent optical switches/modulators
- Patent number 5,263,102
- Issue date Nov 16, 1993
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Optical waveguide type wavelength filter
- Patent number 5,185,842
- Issue date Feb 9, 1993
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Connecting method between waveguide substrate and optical fiber
- Patent number 5,107,535
- Issue date Apr 21, 1992
- Fujitsu Limited
- Hironao Hakogi
- G02 - OPTICS
Information Patent Grant
Polarizing separating device and optical isolator employing the same
- Patent number 5,076,675
- Issue date Dec 31, 1991
- Fujitsu Limited
- Satoshi Kusaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical module
- Publication number 20010028770
- Publication date Oct 11, 2001
- Hironao Hakogi
- G02 - OPTICS

Hironao Hakogi

Person

Patents Grantslast 30 patents

Optical connector

Optical module packaged with molded resin

Structures for optical semiconductor module, optical connector, and...

Fiber-detachable-type optical module

Receptacle optical module

Optical waveguide device and optical waveguide apparatus

Optical semiconductor assembly having a conductive float pad

Optical semiconductor module

Fiber-detachable-type optical module

Waveguide-optical fiber connection structure and waveguide-optical...

Optical transmitting/receiving module having communication lines co...

Method of fabricating optical waveguide device

Method of manufacturing an optical waveguide device

Dielectric optical waveguide device

Waveguide-optical fiber connection structure and waveguide-optical...

Dielectric optical waveguide device

Optical modulator for an optical transmitter

Operating point trimming method for optical waveguide modulator and...

Polarization-independent optical switches/modulators

Optical waveguide type wavelength filter

Connecting method between waveguide substrate and optical fiber

Polarizing separating device and optical isolator employing the same

Patents Applicationslast 30 patents

Optical module