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Inventor

Chiaki Urano

Inventor
Tokyo, JP

Overview

4→
Patents
1986–1999
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps33%
F16CShafts22%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants11%
G21KHandling of particles or ionising radiation not otherwise provided for11%
H05HPlasma technique11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
5,961,291'Turbo vacuum pump with a magnetically levitated rotor and a control unit for displacing the rotator at various angles to scrape deposits from the inside of the pump'19995,389,888'Synchrotron radiation beam generator'19954,717,315'Small size axial-flow molecular pump using a magnetic bearing'19884,609,332'Turbo-molecular pump'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1999Patents assigned to SEIKO SEIKI KK (2)· patent assignee history
1986–1988Based in Tokyo, JP· patent location history
1988Patents assigned to ISHIZAWA TADAO (1)· patent assignee history
1988Patents assigned to MIKI MASAHARU (1)· patent assignee history
1995Patents assigned to SEIKO SEIKI KABUSHIKA KAISHA (1)· patent assignee history
1995Based in Narashino, JP· patent location history
1999Patents assigned to HITACHI LTD (1)· patent assignee history
1999Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO SEIKI KK21986–1999
HITACHI LTD11999
ISHIZAWA TADAO11988
MIKI MASAHARU11988
SEIKO SEIKI KABUSHIKA KAISHA11995
Locations
LocationPatentsSpan
Tokyo, JP21986–1988
Chiba, JP11999
Narashino, JP11995