Yasuyoshi Numajiri

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric discharge lamp apparatus
- Patent number 6,294,861
- Issue date Sep 25, 2001
- Koito Manufacturing Co., Ltd.
- Kunimasa Mochiduki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric discharge lamp apparatus with insulating plug
- Patent number 6,274,973
- Issue date Aug 14, 2001
- Koito Manufacturing Co., Ltd.
- Kunimasa Mochiduki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric discharge lamp apparatus and insulating plug therefor havi...
- Patent number 6,239,539
- Issue date May 29, 2001
- Koito Manufacturing Co., Ltd.
- Kunimasa Mochiduki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube having particular volume and gas pressure for luminous flux
- Patent number 5,402,037
- Issue date Mar 28, 1995
- Koito Manufacturing Co., Ltd.
- Shinichi Irisawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube and method for manufacturing the same
- Patent number 5,286,227
- Issue date Feb 15, 1994
- Koito Manufacturing Co., Ltd.
- Yasuyoshi Numajiri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp device
- Patent number 5,220,235
- Issue date Jun 15, 1993
- Koito Manufacturing Co., Ltd.
- Yukio Wakimizu
- H01 - BASIC ELECTRIC ELEMENTS