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Inventor

Seiji Hirakawa

Inventor
Tokyo, JP

Overview

11→
Patents
2009–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

F24Fprimary
F24FAir-conditioning36%
F04DNon-positive-displacement pumps29%
LOC2329%
F25DRefrigerators7%
PatentTitleYear
10,767,656Axial flow fan and air-conditioning apparatus having axial flow fan202010,436,496Indoor unit for air-conditioning apparatus20199,879,868'Indoor unit of an air-conditioning apparatus with grooved flow stabilizer'20189,857,095'Indoor unit for air-conditioning apparatus with airflow blocking portion for infrared sensor'2018D0803378'Propeller fan'2017D0800890'Propeller fan'2017D0800889'Propeller fan'2017D0782639'Propeller fan'20179,453,512'Cross flow fan, air-sending device, and air-conditioning apparatus'20167,673,671'Air conditioner'20107,517,185'Air conditioner'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2020Patents assigned to MITSUBISHI ELECTRIC CORP (11)· patent assignee history
2009–2020Based in Tokyo, JP· patent location history
2016–2019Patents assigned to HIRAKAWA SEIJI (2)· patent assignee history
2016–2019Patents assigned to IKEDA TAKASHI (2)· patent assignee history
2016–2019Patents assigned to TADOKORO TAKAHIDE (2)· patent assignee history
2019Patents assigned to SHIROTA MITSUHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP112009–2020
HIRAKAWA SEIJIself22016–2019
IKEDA TAKASHI22016–2019
TADOKORO TAKAHIDE22016–2019
SHIROTA MITSUHIRO12019
Locations
LocationPatentsSpan
Tokyo, JP112009–2020