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Inventor

Tatsuya Hirakawa

Inventor
Takasago, JP

Overview

6→
Patents
1995–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing40%
H01LSemiconductor devices20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
H05KPrinted circuits10%
PatentTitleYear
10,896,867Terminal plate and semiconductor device202110,855,196Semiconductor device20206,752,727'Golf club head and method of manufacturing the same'20046,379,265'Structure and method of fastening a weight body to a golf club head'20025,586,944'Golf club head'19965,451,048'Golf club head'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2004Patents assigned to YAMAHA CORP (4)· patent assignee history
1995–1996Based in Shizuoka, JP· patent location history
2002–2004Based in Hamamatsu, JP· patent location history
2020–2021Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (2)· patent assignee history
2020–2021Patents assigned to TOSHIBA KK (2)· patent assignee history
2020–2021Based in Takasago, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAHA CORP41995–2004
TOSHIBA ELECTRONIC DEVICES & STORAGE CORP22020–2021
TOSHIBA KK22020–2021
Locations
LocationPatentsSpan
Takasago, JP22020–2021
Hamamatsu, JP22002–2004
Shizuoka, JP21995–1996