Inventor

Tatsuo Hirai

Inventor
Otsu, JP

Overview

9→
Patents
2007–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

B25Bprimary
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding33%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure19%
B23PMetal-working not otherwise provided for14%
B25FCombination or multi-purpose tools not otherwise provided for10%
B60BVehicle wheels10%
LOC1010%
G08CTransmission systems for measured values, control or similar signals5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to MAEDA METAL IND (7)· patent assignee history
2007–2012Based in Otsu, JP· patent location history
2010Based in Osaka, JP· patent location history
2012Patents assigned to HIRAI TATSUO (1)· patent assignee history
2012Patents assigned to KANEYAMA YASUNOBU (1)· patent assignee history
2017Patents assigned to FUJI HEAVY IND LTD (2)· patent assignee history
2017Patents assigned to TONE CO LTD (2)· patent assignee history
2017Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAEDA METAL IND72007–2012
FUJI HEAVY IND LTD22017
TONE CO LTD22017
HIRAI TATSUOself12012
KANEYAMA YASUNOBU12012
Locations
LocationPatentsSpan
Otsu, JP62007–2012
Shiga, JP22017
Osaka, JP12010