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Inventor

Ryuichi Tachi

Inventor
Fukushima, JP

Overview

4→
Patents
2007–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G06Fprimary
G06FElectric digital data processing29%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes14%
G10KSound-producing devices14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
11,043,202Active noise control system, setting method of active noise control system, and audio system20217,809,530'CAD data generating device and generating method'20107,698,643'Parts counting device, parts counting program, and parts counting method of 3-dimensional arrangement adjustment CAD'20107,179,653'Measuring method for concentration of halogen and fluorine compound, measuring equipment thereof and manufacturing method of halogen compound'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to SHOWA DENKO KK (1)· patent assignee history
2007Based in Kawasaki, JP· patent location history
2010Patents assigned to TOSHIBA KK (2)· patent assignee history
2010Based in Yokohama, JP· patent location history
2010Based in Tokyo, JP· patent location history
2021Patents assigned to ALPINE ELECTRONICS INC (1)· patent assignee history
2021Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK22010
ALPINE ELECTRONICS INC12021
SHOWA DENKO KK12007
Locations
LocationPatentsSpan
Fukushima, JP12021
Yokohama, JP12010
Tokyo, JP12010
Kawasaki, JP12007