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Inventor

Ryoma Sasagawa

Inventor
Kagoshima, JP

Overview

5→
Patents
2006–2015
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.

H03Hprimary
H03HImpedance networks, e.g. resonant circuits30%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
H01LSemiconductor devices10%
H05KPrinted circuits10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
9,006,958'Piezoelectric device'2015RE044368'Temperature-compensated crystal oscillator'20137,266,869'Method for manufacturing a piezoelectric oscillator'20077,242,258'Temperature-compensated crystal oscillator'20077,098,580'Piezoelectric oscillator'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2013Patents assigned to KYOCERA CORP (4)· patent assignee history
2006Based in Kokubu, JP· patent location history
2007–2015Based in Kagoshima, JP· patent location history
2013–2015Patents assigned to SASAGAWA RYOMA (2)· patent assignee history
2013Patents assigned to HATANAKA HIDEFUMI (1)· patent assignee history
2015Patents assigned to KOMURA JUMPEI (1)· patent assignee history
2015Patents assigned to KYOCERA CRYSTAL DEVICE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOCERA CORP42006–2013
SASAGAWA RYOMAself22013–2015
HATANAKA HIDEFUMI12013
KOMURA JUMPEI12015
KYOCERA CRYSTAL DEVICE CORP12015
Locations
LocationPatentsSpan
Kagoshima, JP42007–2015
Kokubu, JP12006