Assignee
TOYO KOHAN LTD
US·5 granted patents·68 citations·filing 1997–1999
Top patents by PatentIndex Score
5 records- 0161US6531242B1Enclosed cell and sealerTOYO KOHAN LTD·Filed 1999·Granted Mar 11, 2003·32 cites·7 claims
- 0249US6200409B1Method and apparatus for manufacturing metallic sheet covered with thermoplastic resinTOYO KOHAN LTD·Filed 1997·Granted Mar 13, 2001·18 cites·15 claims
- 0348US6210825B1Safety valve element for battery and battery case cap with safety valveTOYO KOHAN LTD·Filed 1997·Granted Apr 3, 2001·18 cites·14 claims
- 0424US6777863B1Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tubeTOYO KOHAN LTD·Filed 1998·Granted Aug 17, 2004·0 cites·6 claims
- 0524US6583545B1Aperture grill material for color picture tube, production method thereof, aperture grill and picture tubeTOYO KOHAN LTD·Filed 1999·Granted Jun 24, 2003·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when TOYO KOHAN LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →