Kazuo Oosawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Card holding structure for cellular phone
- Patent number 7,447,522
- Issue date Nov 4, 2008
- NEC Corporation
- Kazuya Kumazawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmissive key sheet, input keys using transmissive key sheet and...
- Patent number 6,977,352
- Issue date Dec 20, 2005
- NEC Corporation
- Kazuo Oosawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Portable wireless telephone
- Patent number D476635
- Issue date Jul 1, 2003
- NEC Corporation
- Michio Nagai
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
Transmissive key sheet, input keys using transmissive key sheet and...
- Publication number 20050167254
- Publication date Aug 4, 2005
- NEC Corporation
- Kazuo Oosawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Card holding structure for cellular phone
- Publication number 20040063462
- Publication date Apr 1, 2004
- NEC Corporation
- Kazuya Kumazawa
- G06 - COMPUTING CALCULATING COUNTING