Inventor

Seiji Tanizawa

Inventor
Kanagawa, JP

Overview

12→
Patents
1992–2019
Patent span
Physics
Primary field (CPC G)

Patents· 12 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer44%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%
F16KValves11%
B29CShaping or joining of plastics6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
F04BPositive-displacement machines for liquids6%
G05BControl or regulating systems in general6%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2012Patents assigned to SONY CORP (7)· patent assignee history
1992–2012Based in Kanagawa, JP· patent location history
1998–2019Patents assigned to DENSO CORP (3)· patent assignee history
1998–2006Based in Aichi, JP· patent location history
2006Patents assigned to MEIKI SEISAKUSHO KK (1)· patent assignee history
2012Patents assigned to TANIZAWA SEIJI (2)· patent assignee history
2012Patents assigned to SONY DISC & DIGITAL SOLUTIONS (1)· patent assignee history
2018–2019Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP71992–2012
DENSO CORP31998–2019
TANIZAWA SEIJIself22012
MEIKI SEISAKUSHO KK12006
SONY DISC & DIGITAL SOLUTIONS12012
Locations
LocationPatentsSpan
Kanagawa, JP81992–2012
Kariya, JP22018–2019
Aichi, JP21998–2006