Inventor

Shiro Murakami

Inventor
Shiojiri, JP

Overview

18→
Patents
1976–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 18 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 transducer13%
H03HImpedance networks, e.g. resonant circuits11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
G01CMeasuring distances, levels or bearings7%
H01LSemiconductor devices7%
H10NElectric solid-state devices not otherwise provided for7%
Y10TTechnical subjects covered by former us classification7%
C23CCoating metallic material4%
H01FMagnets4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to TEIJIN LTD (2)· patent assignee history
1976–1978Based in Matsuyama, JP· patent location history
1987–2006Patents assigned to HITACHI METALS LTD (6)· patent assignee history
1987–2006Based in Saitama, JP· patent location history
1987Based in Kumagaya, JP· patent location history
1988Patents assigned to HITACHI CONSTRUCTION MACHINERY (1)· patent assignee history
2004Based in Uji, JP· patent location history
2013–2020Patents assigned to SEIKO EPSON CORP (7)· patent assignee history
2013–2014Patents assigned to MURAKAMI SHIRO (2)· patent assignee history
2013–2020Based in Shiojiri, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP72013–2020
HITACHI METALS LTD61987–2006
MURAKAMI SHIROself22013–2014
TEIJIN LTD21976–1978
HITACHI CONSTRUCTION MACHINERY11988
Locations
LocationPatentsSpan
Shiojiri, JP72013–2020
Saitama, JP41987–2006
Kumagaya, JP21987
Matsuyama, JP21976–1978
Uji, JP12004