Masahiko Nishizaki

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vehicular lamp lens having an indented front surface
- Patent number 6,409,370
- Issue date Jun 25, 2002
- Koito Manufacturing Co., Ltd.
- Kazuo Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for producing lens for vehicular lamp
- Patent number 6,290,792
- Issue date Sep 18, 2001
- Koito Manufacturing Co., Ltd.
- Kazuo Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Vibration welding apparatus having an easy to assemble jig structure
- Patent number 6,280,566
- Issue date Aug 28, 2001
- Koito Manufacturing Co., Ltd.
- Toshitaka Naito
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Vibration welding apparatus and vibration welding method
- Patent number 6,273,980
- Issue date Aug 14, 2001
- Koito Manufacturing Co., Ltd.
- Kazuo Akiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for vibration welding of vehicle lamp and apparatus for the...
- Patent number 6,033,505
- Issue date Mar 7, 2000
- Koito Manufacturing Co., Ltd.
- Fujihiko Sugiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
VEHICLE HEADLAMP
- Publication number 20220260224
- Publication date Aug 18, 2022
- Koito Manufacturing Co., Ltd.
- Masahiko NISHIZAKI
- F21 - LIGHTING
Information Patent Application
Apparatus for manufacturing a vehicular lamp
- Publication number 20050259433
- Publication date Nov 24, 2005
- KOITO MANUFACTURING CO., LTD.
- Masahiko Nishizaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL