Inventor
YAMASHITA AKIHISA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA AKIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONAMI CO LTD
6 patentsUS6220452B1Apr 24, 2001
Table tennis ball-sorting device and table tennis apparatus
KONAMI CO LTD22 citations91
US6462720B1Oct 8, 2002
Light-emitting display device, target game apparatus using light-emitting display device, display switching method and target hit display method
KONAMI CO LTD29 citations90
US6276682B1Aug 21, 2001
Air hockey game apparatus
KONAMI CO LTD35 citations90
US6234476B1May 22, 2001
Air hockey game apparatus
KONAMI CO LTD28 citations90
US6383097B2May 7, 2002
Table tennis apparatus
KONAMI CO LTD6 citations72
US6200236B1Mar 13, 2001
Table tennis apparatus
KONAMI CO LTD11 citations72
KONAMI CORP
3 patentsASAHI CHEMICAL IND
3 patentsUS11242440B2Feb 8, 2022
Polyolefin microporous membrane and production method thereof
ASAHI CHEMICAL IND0 citations62
US12110382B2Oct 8, 2024
Polyolefin microporous membrane
ASAHI CHEMICAL IND0 citations61
US11504674B2Nov 22, 2022
Polyolefin microporous film and lithium-ion secondary cell in which same is used
ASAHI CHEMICAL IND0 citations50