Masaaki Umino

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Yamanashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Door lock system
- Patent number 7,770,945
- Issue date Aug 10, 2010
- Mitsui Mining & Smelting Co., Ltd.
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lock system
- Patent number 7,766,398
- Issue date Aug 3, 2010
- Mitsui Mining & Smelting Co., Ltd.
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lock system
- Patent number 7,621,571
- Issue date Nov 24, 2009
- Mitsui Mining & Smelting Co., Ltd.
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lock device
- Patent number 7,441,815
- Issue date Oct 28, 2008
- Mitsui Mining & Smelting Co., Ltd.
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door lock device
- Patent number 7,171,832
- Issue date Feb 6, 2007
- Mitsui Mining & Smelting Co., Ltd.
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DOOR LOCK SYSTEM
- Publication number 20070283734
- Publication date Dec 13, 2007
- MITSUI MINING AND SMELTING CO., LTD
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Door lock system
- Publication number 20060191304
- Publication date Aug 31, 2006
- MITSUI MINING AND SMELTING CO., LTD
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Door lock system
- Publication number 20050218662
- Publication date Oct 6, 2005
- MITSUI MINING AND SMELTING CO., LTD
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Door lock device
- Publication number 20050140149
- Publication date Jun 30, 2005
- MITSUI MINING AND SMELTING CO., LTD
- Masaaki Umino
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES