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Inventor

Katsumi Sakai

Inventor
Nagaokakyo, JP

Overview

9→
Patents
1986–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits45%
H03MCoding18%
H04BTransmission18%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
H04NPictorial communication, e.g. television9%
PatentTitleYear
8,154,150'Power line communication system'20127,139,527'Multi point wireless transmission repeater system and wireless equipments'20066,404,359'Variable length decoding system having a mask circuit for improved cache hit accuracy'20025,801,840'Apparatus for decoding codes with less memory capacity'19985,644,273'Piezoelectric resonator device of tuning fork type'19975,373,269'Piezoelectric resonator device of tuning fork type including a spacer member'19945,373,267'Piezoelectric resonator device of tuning fork type'19945,159,301'Piezoelectric resonator device of the tuning fork type'19924,565,942'Energy trapped piezoelectric resonator liquid sensor'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1997Patents assigned to MURATA MANUFACTURING CO (5)· patent assignee history
1986Based in Kanazawa, JP· patent location history
1992–1997Based in Nagaokakyo, JP· patent location history
1998–2002Patents assigned to NEC CORP (2)· patent assignee history
1998–2002Based in Tokyo, JP· patent location history
2006Patents assigned to HITACHI CABLE (1)· patent assignee history
2006Based in Hitachi, JP· patent location history
2012Patents assigned to GOTO KOKI (1)· patent assignee history
2012Patents assigned to OHTA KUNIHIRO (1)· patent assignee history
2012Based in Toyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURATA MANUFACTURING CO51986–1997
NEC CORP21998–2002
GOTO KOKI12012
HITACHI CABLE12006
OHTA KUNIHIRO12012
Locations
LocationPatentsSpan
Nagaokakyo, JP41992–1997
Tokyo, JP21998–2002
Toyama, JP12012
Hitachi, JP12006
Kanazawa, JP11986