Inventor · disambiguated record
Hidehiro Koumura
Also filed as: KOUMURA HIDEHIRO
8 granted patents·26 citations·filing 1997–2001
83Inventor score
Technology areasH01J
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0158US5898264ANarrow-neck CRT having a large stem pin circleHITACHI LTD·Filed 1997·Granted Apr 27, 1999·10 cites·14 claims
- 0256US6222311B1Narrow-neck CRT having a large stem pin circleHITACHI LTD·Filed 2000·Granted Apr 24, 2001·2 cites·23 claims
- 0351US6388368B2Color cathode ray tube having an improved internal magnetic shieldHITACHI LTD·Filed 2001·Granted May 14, 2002·2 cites·8 claims
- 0446US5994830ANarrow-neck CRT having a large stem pin circleHITACHI LTD·Filed 1999·Granted Nov 30, 1999·5 cites·22 claims
- 0540US6335589B2Color cathode ray tube having adjustment magnet assembly at neck portionHITACHI LTD·Filed 2001·Granted Jan 1, 2002·0 cites·8 claims
- 0640US6078134ANarrow-neck CRT having a large stem pin circleHITACHI LTD·Filed 1999·Granted Jun 20, 2000·3 cites·26 claims
- 0737US6229254B1Color cathode ray tube having an improved internal magnetic shieldHITACHI LTD·Filed 1998·Granted May 8, 2001·4 cites·7 claims
- 0829US6194823B1Color cathode ray tube having adjustment magnet assembly at the neck portion of the tubeHITACHI LTD·Filed 1998·Granted Feb 27, 2001·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →