Inventor · disambiguated record
Yoshitaka Ohshima
Also filed as: OHSHIMA YOSHITAKA
15 granted patents·188 citations·filing 1998–2001
93Inventor score
Files withKOITO MFG CO LTD15
Top patents by PatentIndex Score
15 records- 0186US6891332B1Arc tube capable of preventing occurrence of leak due to cracks and manufacturing method thereforeKOITO MFG CO LTD·Filed 2000·Granted May 10, 2005·26 cites·6 claims
- 0278US6411037B1Arc tube for discharge lamp device and method of manufacturing the sameKOITO MFG CO LTD·Filed 2000·Granted Jun 25, 2002·14 cites·12 claims
- 0377US6580200B2Discharge lamp and manufacturing method thereofKOITO MFG CO LTD·Filed 2001·Granted Jun 17, 2003·12 cites·10 claims
- 0474US6452334B1Arc tube with residual-compressive-stress layer for discharge lamp unit and method of manufacturing sameKOITO MFG CO LTD·Filed 2000·Granted Sep 17, 2002·11 cites·15 claims
- 0572US6547619B1ARC tube for discharge lamp unit and method of manufacturing sameKOITO MFG CO LTD·Filed 2000·Granted Apr 15, 2003·10 cites·14 claims
- 0671US6294861B1Electric discharge lamp apparatusKOITO MFG CO LTD·Filed 1998·Granted Sep 25, 2001·25 cites·14 claims
- 0770US6354900B1Arc tube and fabricating method thereofKOITO MFG CO LTD·Filed 1999·Granted Mar 12, 2002·23 cites·7 claims
- 0869US6239539B1Electric discharge lamp apparatus and insulating plug therefor having a particular front portionKOITO MFG CO LTD·Filed 1998·Granted May 29, 2001·22 cites·16 claims
- 0967US6274973B1Electric discharge lamp apparatus with insulating plugKOITO MFG CO LTD·Filed 1998·Granted Aug 14, 2001·21 cites·6 claims
- 1060US6456008B1Metal Halide lamp having improved shunting characteristicsKOITO MFG CO LTD·Filed 2000·Granted Sep 24, 2002·8 cites·10 claims
- 1158US5962976AMolybdenum foils with yttrium oxide and recrystallization grains no more than 50 microns within the pinch seals of a metallic halide lampKOITO MFG CO LTD·Filed 1998·Granted Oct 5, 1999·13 cites·3 claims
- 1255US6903510B2Arc tube having compressive stress and method for manufacture of an arc tubeKOITO MFG CO LTD·Filed 2001·Granted Jun 7, 2005·2 cites·7 claims
- 1344US6653785B2Arc tube with pinch seal and dimensional relationship and method for forming the sameKOITO MFG CO LTD·Filed 2001·Granted Nov 25, 2003·1 cites·11 claims
- 1439US6707239B2Arc tube including step-down plane portions in pinch seal areaKOITO MFG CO LTD·Filed 2001·Granted Mar 16, 2004·0 cites·4 claims
- 1536US6672923B1Method of manufacturing arc tubeKOITO MFG CO LTD·Filed 2000·Granted Jan 6, 2004·0 cites·6 claims
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