Inventor

KOHKETSU MASAHIRO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KOHKETSU MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI OPTICAL CO LTD

1 patent

US5716359AFeb 10, 1998

Anchor and method for fixing a screw in bone

ASAHI OPTICAL CO LTD400 citations96

PENTAX CORP

1 patent

US6776860B2Aug 17, 2004

Ceramic composite and manufacturing method thereof

PENTAX CORP17 citations81

HOYA CORP

1 patent

US7637912B2Dec 29, 2009

Surgical instruments

HOYA CORP7 citations67