Inventor

Manabu Oka

Inventor
Minowa-machi, JP

Overview

10→
Patents
1997–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 10 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 manner18%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses18%
H03HImpedance networks, e.g. resonant circuits11%
H03JTuning resonant circuits11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
G01SRadio direction-finding7%
Y10TTechnical subjects covered by former us classification7%
A23GCocoa4%
A47JKitchen equipment4%
B01DSeparation4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2014Patents assigned to SEIKO EPSON CORP (10)· patent assignee history
1997–1998Based in Suwa, JP· patent location history
2001–2006Based in Minowa-machi, JP· patent location history
2005Based in Nagano, JP· patent location history
2014Patents assigned to OKA MANABU (1)· patent assignee history
2014Patents assigned to TERASAWA KATSUYOSHI (1)· patent assignee history
2014Based in Minowa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP101997–2014
OKA MANABUself12014
TERASAWA KATSUYOSHI12014
Locations
LocationPatentsSpan
Minowa-machi, JP52001–2006
Suwa, JP31997–1998
Minowa, JP12014
Nagano, JP12005