LexDanaLexDanabeta
Inventor

Toshikazu Hirayama

Inventor
Osaka, JP

Overview

9→
Patents
1983–2010
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body33%
LOC2417%
A61JContainers specially adapted for medical or pharmaceutical purposes8%
B01DSeparation8%
B22FWorking metallic powder8%
F27BFurnaces, kilns, ovens or retorts in general8%
H10DInorganic electric semiconductor devices8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
PatentTitleYear
D0610679'Automatic dental drug solution injection device'20107,622,767'Semiconductor device with T-shaped gate electrode and hollow region adjacent the gate electrode'20097,041,087'Pre-filled syringe'20066,901,975'Drug solution container with a connector for communicating'20056,669,762'Air trap for liquid circulation line'2003D0472628'Dental drug syringe'20035,899,889'Prefilled syringe'19995,827,233'Prefilled syringe'19984,401,297'Sintering furnace for powder metallurgy'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history
1983Based in Itami, JP· patent location history
1998–1999Patents assigned to NISSHO KK (2)· patent assignee history
1998–1999Based in Ohtsu, JP· patent location history
2003–2010Patents assigned to NIPRO CORP (4)· patent assignee history
2003–2010Based in Osaka, JP· patent location history
2006Patents assigned to ASTRAZENECA UK LTD (1)· patent assignee history
2009Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2009Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPRO CORP42003–2010
NISSHO KK21998–1999
ASTRAZENECA UK LTD12006
MITSUBISHI ELECTRIC CORP12009
SUMITOMO ELECTRIC INDUSTRIES11983
Locations
LocationPatentsSpan
Osaka, JP52003–2010
Ohtsu, JP21998–1999
Tokyo, JP12009
Itami, JP11983