Inventor
UMEZAWA SEIJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
11 patentsUS12262176B2Mar 25, 2025
Transducer
MURATA MANUFACTURING CO2 citations74
US11856365B2Dec 26, 2023
Transducer including coupler fitted in slits between beams
MURATA MANUFACTURING CO4 citations74
US12275040B2Apr 15, 2025
Piezoelectric device and ultrasonic transducer
MURATA MANUFACTURING CO2 citations72
US11979713B2May 7, 2024
Piezoelectric device
MURATA MANUFACTURING CO2 citations72
US12568764B2Mar 3, 2026
Piezoelectric device
MURATA MANUFACTURING CO0 citations51
US12507594B2Dec 23, 2025
Piezoelectric device
MURATA MANUFACTURING CO0 citations51
US12390834B2Aug 19, 2025
Piezoelectric device and acoustic transducer
MURATA MANUFACTURING CO0 citations51
US12389798B2Aug 12, 2025
Piezoelectric device
MURATA MANUFACTURING CO0 citations51
US12343760B2Jul 1, 2025
Piezoelectric device
MURATA MANUFACTURING CO0 citations51
US12138658B2Nov 12, 2024
Ultrasonic transducer
MURATA MANUFACTURING CO0 citations51
US11832522B2Nov 28, 2023
Piezoelectric transducer
MURATA MANUFACTURING CO0 citations50