LexDanaLexDanabeta
Inventor

YASUYUKI SHIRASAKA

Inventor
JP

Overview

2→
Patents
2023–2024
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Gprimary
H01GCapacitors33%
C08JWorking-up17%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
H10NElectric solid-state devices not otherwise provided for17%
PatentTitleYear
11,908,629Electret sheet and piezoelectric sensor202411,688,563Electret sheet2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2024Patents assigned to SEKISUI CHEMICAL CO LTD (2)· patent assignee history
2023–2024Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEKISUI CHEMICAL CO LTD22023–2024
Locations
LocationPatentsSpan
JP22023–2024