Tomoharu Hasegawa

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Non-lead optical glass and optical fiber
- Patent number 7,524,781
- Issue date Apr 28, 2009
- Asahi Glass Company, Limited
- Tatsuo Nagashima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Nonlinear fiber, wavelength conversion method and wavelength conver...
- Patent number 7,336,413
- Issue date Feb 26, 2008
- Asahi Glass Company, Limited
- Tomoharu Hasegawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
GLASS LAMINATE AND PORTABLE ELECTRONIC DEVICE
- Publication number 20170320294
- Publication date Nov 9, 2017
- Asahi Glass Company, Limited
- Hiroyuki YAMAMOTO
- B32 - LAYERED PRODUCTS
Information Patent Application
COVER MEMBER
- Publication number 20170217825
- Publication date Aug 3, 2017
- Asahi Glass Company, Limited
- Tomoharu HASEGAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
COVER MEMBER, PERSONAL DIGITAL ASSISTANT AND DISPLAY DEVICE INCLUDI...
- Publication number 20160224822
- Publication date Aug 4, 2016
- Asahi Glass Company, Limited
- Tomoharu HASEGAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GLASS COMPOSITION, METHOD FOR MANUFACTURING GLASS, OPTICAL CONVERSI...
- Publication number 20160075592
- Publication date Mar 17, 2016
- ASAHI GLASS COMPANY, LIMITED
- Tatsuo NAGASHIMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
GLASS OPTICAL WAVEGUIDE BODY AND COVER GLASS
- Publication number 20150153510
- Publication date Jun 4, 2015
- ASAHI GLASS COMPANY, LIMITED
- Seiki OHARA
- G02 - OPTICS
Information Patent Application
PROCESS FOR PRODUCING OPTICAL FIBER
- Publication number 20090095024
- Publication date Apr 16, 2009
- Asahi Glass Company, Limited
- Tatsuo NAGASHIMA
- G02 - OPTICS
Information Patent Application
Nonlinear fiber, wavelength conversion method and wavelength conver...
- Publication number 20070081777
- Publication date Apr 12, 2007
- ASAHI GLASS COMPANY LIMITED
- Tomoharu Hasegawa
- G02 - OPTICS
Information Patent Application
Non-lead optical glass and optical fiber
- Publication number 20060100084
- Publication date May 11, 2006
- ASAHI GLASS COMPANY, LIMITED
- Tatsuo Nagashima
- G02 - OPTICS

Tomoharu Hasegawa

Person

Patents Grantslast 30 patents

Non-lead optical glass and optical fiber

Nonlinear fiber, wavelength conversion method and wavelength conver...

Patents Applicationslast 30 patents

GLASS LAMINATE AND PORTABLE ELECTRONIC DEVICE

COVER MEMBER

COVER MEMBER, PERSONAL DIGITAL ASSISTANT AND DISPLAY DEVICE INCLUDI...

GLASS COMPOSITION, METHOD FOR MANUFACTURING GLASS, OPTICAL CONVERSI...

GLASS OPTICAL WAVEGUIDE BODY AND COVER GLASS

PROCESS FOR PRODUCING OPTICAL FIBER

Nonlinear fiber, wavelength conversion method and wavelength conver...

Non-lead optical glass and optical fiber