Inventor

Hirotsugu Ishihara

Inventor
Tokyo, JP

Overview

5→
Patents
2002–2016
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

H05Kprimary
H05KPrinted circuits14%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
A24DCigars7%
A41DOuterwear7%
A61KPreparations for medical, dental or toiletry purposes7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B29DProducing particular articles from plastics or from substances in a plastic state7%
C01BNon-metallic elements7%
C02FTreatment of water, waste water, sewage, or sludge7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2016Patents assigned to SONY CORP (5)· patent assignee history
2002Based in Kanagawa, JP· patent location history
2012–2016Patents assigned to ISHIHARA HIROTSUGU (4)· patent assignee history
2012–2015Patents assigned to KAMEI TAKAHIRO (3)· patent assignee history
2012–2015Patents assigned to SHIMAMURA TOSHIKI (3)· patent assignee history
2012–2015Patents assigned to TANAKA MASANOBU (3)· patent assignee history
2012–2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP52002–2016
ISHIHARA HIROTSUGUself42012–2016
KAMEI TAKAHIRO32012–2015
SHIMAMURA TOSHIKI32012–2015
TANAKA MASANOBU32012–2015
Locations
LocationPatentsSpan
Tokyo, JP42012–2016
Kanagawa, JP12002