Inventor
TSUNEKAWA MASAYOSHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “TSUNEKAWA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKIN IND CO
5 patentsUS5306338AApr 26, 1994
Dental restoration composition
SANKIN IND CO30 citations91
US4404150ASep 13, 1983
Cyclic pyrophosphate derivatives and their preparation
SANKIN IND CO58 citations91
US4397944AAug 9, 1983
Compositions for diagnosis of dental caries activity
SANKIN IND CO23 citations80
US4442239AApr 10, 1984
Phosphate derivatives, process for producing phosphate derivatives and fillers for human hard tissues containing the same
SANKIN IND CO21 citations78
US4783491ANov 8, 1988
Dental materials having X-ray contrastability
SANKIN IND CO3 citations61
IHI CORP
4 patentsUS9950789B2Apr 24, 2018
Vertical take-off and landing aircraft
IHI CORP10 citations83
US9994312B2Jun 12, 2018
Vertical take-off and landing aircraft
IHI CORP4 citations72
US9963227B2May 8, 2018
Vertical take-off and landing aircraft
IHI CORP2 citations72
US9561850B2Feb 7, 2017
Vertical take-off and landing aircraft
IHI CORP3 citations72