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Inventor

Masanori Tamura

Inventor
Chiba, JP

Overview

17→
Patents
1981–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
H03HImpedance networks, e.g. resonant circuits17%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner14%
G04RRadio-controlled time-pieces11%
C07CAcyclic or carbocyclic compounds6%
G04CElectromechanical clocks or watches6%
G06FElectric digital data processing6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C01BNon-metallic elements3%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
9,391,259'Piezoelectric vibrating piece and piezoelectric vibrator'20169,148,120'Piezoelectric vibrating piece having reduced resistance and high-order vibration suppression'20159,035,539'Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus and radio controlled timepiece'20159,030,083'Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus and radio controlled timepiece'20158,994,254'Vibrating piece having a support arm section including mount sections in a mount region thereof'20158,987,979'Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled timepiece'20158,785,019'Negative electrode for a nickel-hydrogen rechargeable battery and a nickel-hydrogen rechargeable battery using the same'20148,513,458'Process for production of carbonyl fluoride'20137,247,289'Porous aluminum fluoride'20076,275,845'Collective communication apparatus in multiprocessor system'20016,108,693'System and method of data communication in multiprocessor system'20005,071,915'Fluorine-containing polymeric compound and a method for the preparation thereof'19915,001,198'Fluorine-containing polymeric compound and a method for the preparation thereof'19914,997,886'Fluorine-containing polymeric compound and method for the preparation thereof'19914,420,594'Method for polymerizing ethylene'19834,324,877'Method for polymerizing .alpha.-olefin'19824,306,046'Method for polymerizing ethylene by means of a novel titanium containing catalyst'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to UBE INDUSTRIES (3)· patent assignee history
1981–1983Based in Ichihara, JP· patent location history
1991Patents assigned to AGENCY IND SCIENCE TECHN (3)· patent assignee history
1991Based in Tsukuba, JP· patent location history
2000–2001Patents assigned to NEC CORP (2)· patent assignee history
2000–2001Based in Tokyo, JP· patent location history
2007–2013Based in Ibaraki, JP· patent location history
2013–2014Patents assigned to TAMURA MASANORI (2)· patent assignee history
2015–2016Patents assigned to SII CRYSTAL TECHNOLOGY INC (6)· patent assignee history
2015–2016Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SII CRYSTAL TECHNOLOGY INC62015–2016
AGENCY IND SCIENCE TECHN31991
UBE INDUSTRIES31981–1983
NEC CORP22000–2001
TAMURA MASANORIself22013–2014
Locations
LocationPatentsSpan
Chiba, JP62015–2016
Tsukuba, JP31991
Ichihara, JP31981–1983
Ibaraki, JP22007–2013
Tokyo, JP22000–2001