Inventor
TOKIWA TSUYOSHI
NL8 patents
⚠️ This page may combine multiple inventors who share the name “TOKIWA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6646330B2Nov 11, 2003
Lead frame for semiconductor device, process for producing the same and semiconductor device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations94
US6087714AJul 11, 2000
Semiconductor devices having tin-based solder film containing no lead and process for producing the devices
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD74 citations94
US6395583B1May 28, 2002
Semiconductor device with a coating of Pb-free Sn-base solder and manufacturing method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations91
US6575354B2Jun 10, 2003
Method for producing tin-silver alloy plating film, the tin-silver alloy plating film and lead frame for electronic parts having the film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
TEN CATE ENBI INTERNAT B V
2 patentsUS8679370B2Mar 25, 2014
Conductive coating, method for preparing a coating, roller, and method for manufacturing a roller and using a coating
TEN CATE ENBI INTERNAT B V2 citations59
US7962077B2Jun 14, 2011
Developing roller, developing apparatus comprising the developing roller, and method for providing the developing roller
TEN CATE ENBI INTERNAT B V2 citations59