Masaaki Tojo

Person

Kitakasuragi-Gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical package substrate and optical device
- Patent number 6,947,645
- Issue date Sep 20, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tsuguhiro Korenaga
- G02 - OPTICS
Information Patent Grant
Optical package substrate, optical device, optical module, and meth...
- Patent number 6,904,190
- Issue date Jun 7, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tsuguhiro Korenaga
- G02 - OPTICS
Information Patent Grant
Battery pack
- Patent number 6,771,491
- Issue date Aug 3, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- G01 - MEASURING TESTING
Information Patent Grant
Molding die and manufacturing method of molded product
- Patent number 6,766,660
- Issue date Jul 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Polarization independent optical isolator
- Patent number 5,689,359
- Issue date Nov 18, 1997
- Matsushita Electric Industrial Co., Ltd.
- Noboru Kurata
- G02 - OPTICS
Information Patent Grant
Polarization independent optical isolator
- Patent number 5,689,360
- Issue date Nov 18, 1997
- Matsushita Electric Industrial Co., Ltd.
- Noboru Kurata
- G02 - OPTICS
Information Patent Grant
Optical isolator
- Patent number 5,574,595
- Issue date Nov 12, 1996
- Matsushita Electric Industrial Co., Ltd.
- Noboru Kurata
- G02 - OPTICS
Information Patent Grant
Optical semiconductor module and method of fabricating the same
- Patent number 5,537,503
- Issue date Jul 16, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- G02 - OPTICS
Information Patent Grant
Optical passive components
- Patent number 5,499,132
- Issue date Mar 12, 1996
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- G02 - OPTICS
Information Patent Grant
Optical isolator and optical fiber amplifier
- Patent number 5,493,440
- Issue date Feb 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Hironori Souda
- G02 - OPTICS
Information Patent Grant
Optical passive components
- Patent number 5,355,249
- Issue date Oct 11, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hironori Souda
- G02 - OPTICS
Information Patent Grant
Optical passive component assembly
- Patent number 5,299,056
- Issue date Mar 29, 1994
- Matsushita Electric Industrial Co., Ltd.
- Noboru Kurata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
IDENTIFICATION MANAGING SYSTEM FOR AUTHENTICATION OF ELECTRONIC DEVICE
- Publication number 20100223381
- Publication date Sep 2, 2010
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IDENTIFICATION MANAGEMENT SYSTEM FOR ELECTRONIC DEVICE AUTHENTICATION
- Publication number 20090235340
- Publication date Sep 17, 2009
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IDENTIFICATION MANAGMENT SYSTEM FOR ELECTRONIC DEVICE AUTHENTICATION
- Publication number 20090165107
- Publication date Jun 25, 2009
- Matsushita Electric Industrial Co., Ltd.
- Masaaki Tojo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission History Dependency Processor
- Publication number 20080010373
- Publication date Jan 10, 2008
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masaaki Tojo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PORTAL SYSTEM
- Publication number 20070209008
- Publication date Sep 6, 2007
- Matsushita Electric Industrial Co., Ltd.
- Daisuke Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical package substrate, optical device, optical module, and meth...
- Publication number 20050157989
- Publication date Jul 21, 2005
- Tsuguhiro Korenaga
- G02 - OPTICS
Information Patent Application
Optical package substrate, optical device, optical module, and meth...
- Publication number 20030118294
- Publication date Jun 26, 2003
- Tsuguhiro Korenaga
- G02 - OPTICS
Information Patent Application
Optical package substrate and optical device
- Publication number 20030118288
- Publication date Jun 26, 2003
- Tsuguhiro Korenaga
- G02 - OPTICS
Information Patent Application
Aspherical rod lens and method of manufacturing aspherical rod lens
- Publication number 20030081897
- Publication date May 1, 2003
- Nobuki Itoh
- G02 - OPTICS
Information Patent Application
Battery pack
- Publication number 20030076072
- Publication date Apr 24, 2003
- Masaaki Tojo
- G01 - MEASURING TESTING
Information Patent Application
Molding die and manufacturing method of molded product
- Publication number 20020011690
- Publication date Jan 31, 2002
- Masaaki Tojo
- B28 - WORKING CEMENT, CLAY, OR STONE

Masaaki Tojo

Person

Patents Grantslast 30 patents

Optical package substrate and optical device

Optical package substrate, optical device, optical module, and meth...

Battery pack

Molding die and manufacturing method of molded product

Polarization independent optical isolator

Polarization independent optical isolator

Optical isolator

Optical semiconductor module and method of fabricating the same

Optical passive components

Optical isolator and optical fiber amplifier

Optical passive components

Optical passive component assembly

Patents Applicationslast 30 patents

IDENTIFICATION MANAGING SYSTEM FOR AUTHENTICATION OF ELECTRONIC DEVICE

IDENTIFICATION MANAGEMENT SYSTEM FOR ELECTRONIC DEVICE AUTHENTICATION

IDENTIFICATION MANAGMENT SYSTEM FOR ELECTRONIC DEVICE AUTHENTICATION

Transmission History Dependency Processor

PORTAL SYSTEM

Optical package substrate, optical device, optical module, and meth...

Optical package substrate, optical device, optical module, and meth...

Optical package substrate and optical device

Aspherical rod lens and method of manufacturing aspherical rod lens

Battery pack

Molding die and manufacturing method of molded product