Inventor

Yukio Serizawa

Inventor
Tochigi, JP

Overview

9→
Patents
1990–2004
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids26%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general11%
F21SNon-portable lighting devices11%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
F01CRotary-piston or oscillating-piston machines or engines5%
F04BPositive-displacement machines for liquids5%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines5%
F16CShafts5%
F21VFunctional features or details of lighting devices or systems thereof5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to HITACHI LTD (5)· patent assignee history
1990–1993Based in Tochigi, JP· patent location history
1994–2004Patents assigned to KOITO MFG CO LTD (3)· patent assignee history
1994–2004Based in Shizuoka, JP· patent location history
2004Patents assigned to TOSHIBA MACHINE CO LTD (1)· patent assignee history
2004Based in Susono, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD51990–1993
KOITO MFG CO LTD31994–2004
TOSHIBA MACHINE CO LTD12004
Locations
LocationPatentsSpan
Tochigi, JP51990–1993
Shizuoka, JP31994–2004
Susono, JP12004