LexDanaLexDanabeta
Inventor

TOSHIYA USUDA

Inventor
JP

Overview

5→
Patents
2023–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H03Bprimary
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner36%
H03HImpedance networks, e.g. resonant circuits27%
G06FElectric digital data processing18%
G04CElectromechanical clocks or watches9%
G04GElectronic time-pieces9%
PatentTitleYear
12,451,841Circuit device and oscillator202512,316,300Real-time clock device202512,273,071Circuit device and oscillator202511,921,467Watch202411,811,389Real-time clock device2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2023–2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP52023–2025
Locations
LocationPatentsSpan
JP52023–2025