Yoshitaka Ohshima

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Arc tube having compressive stress and method for manufacture of an...
- Patent number 6,903,510
- Issue date Jun 7, 2005
- Koito Manufacturing Co., Ltd.
- Yoshitaka Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube capable of preventing occurrence of leak due to cracks and...
- Patent number 6,891,332
- Issue date May 10, 2005
- Koito Manufacturing Co., Ltd.
- Shinichi Irisawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube including step-down plane portions in pinch seal area
- Patent number 6,707,239
- Issue date Mar 16, 2004
- Koito Manufacturing Co., Ltd.
- Akihiro Nagata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing arc tube
- Patent number 6,672,923
- Issue date Jan 6, 2004
- Koito Manufacturing Co., Ltd.
- Nobuo Ohkawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube with pinch seal and dimensional relationship and method fo...
- Patent number 6,653,785
- Issue date Nov 25, 2003
- Koito Manufacturing Co., Ltd.
- Michio Takagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamp and manufacturing method thereof
- Patent number 6,580,200
- Issue date Jun 17, 2003
- Koito Manufacturing Co., Ltd.
- Takeshi Fukuyo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
ARC tube for discharge lamp unit and method of manufacturing same
- Patent number 6,547,619
- Issue date Apr 15, 2003
- Koito Manufacturing Co., Ltd.
- Nobuo Ohkawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal Halide lamp having improved shunting characteristics
- Patent number 6,456,008
- Issue date Sep 24, 2002
- Koito Manufacturing Co., Ltd.
- Takeshi Fukuyo
- F21 - LIGHTING
Information Patent Grant
Arc tube with residual-compressive-stress layer for discharge lamp...
- Patent number 6,452,334
- Issue date Sep 17, 2002
- Koito Manufacturing Co., Ltd.
- Yoshitaka Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube for discharge lamp device and method of manufacturing the...
- Patent number 6,411,037
- Issue date Jun 25, 2002
- Koito Manufacturing Co., Ltd.
- Nobuo Ohkawai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc tube and fabricating method thereof
- Patent number 6,354,900
- Issue date Mar 12, 2002
- Koito Manufacturing Co., Ltd.
- Yoshitaka Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
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
Molybdenum foils with yttrium oxide and recrystallization grains no...
- Patent number 5,962,976
- Issue date Oct 5, 1999
- Koito Manufacturing Co., Ltd.
- Shinichi Irisawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Arc tube and method for forming the same
- Publication number 20020105272
- Publication date Aug 8, 2002
- KOITO MANUFACTURING CO., LTD.
- Michio Takagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Arc tube and method for manufacture of an arc tube
- Publication number 20020084755
- Publication date Jul 4, 2002
- KOITO MANUFACTURING CO., LTD.
- Yoshitaka Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Arc tube and method of manufacturing the same
- Publication number 20020067115
- Publication date Jun 6, 2002
- KOITO MANUFACTURING CO., LTD.
- Akihiro Nagata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Discharge lamp and manufacturing method thereof
- Publication number 20020008471
- Publication date Jan 24, 2002
- KOITO MANUFACTURING CO., LTD.
- Takeshi Fukuyo
- H01 - BASIC ELECTRIC ELEMENTS

Yoshitaka Ohshima

Person

Patents Grantslast 30 patents

Arc tube having compressive stress and method for manufacture of an...

Arc tube capable of preventing occurrence of leak due to cracks and...

Arc tube including step-down plane portions in pinch seal area

Method of manufacturing arc tube

Arc tube with pinch seal and dimensional relationship and method fo...

Discharge lamp and manufacturing method thereof

ARC tube for discharge lamp unit and method of manufacturing same

Metal Halide lamp having improved shunting characteristics

Arc tube with residual-compressive-stress layer for discharge lamp...

Arc tube for discharge lamp device and method of manufacturing the...

Arc tube and fabricating method thereof

Electric discharge lamp apparatus

Electric discharge lamp apparatus with insulating plug

Electric discharge lamp apparatus and insulating plug therefor havi...

Molybdenum foils with yttrium oxide and recrystallization grains no...

Patents Applicationslast 30 patents

Arc tube and method for forming the same

Arc tube and method for manufacture of an arc tube

Arc tube and method of manufacturing the same

Discharge lamp and manufacturing method thereof