Inventor

Fumiharu Takahashi

Inventor

Nagasaki, JP

Overview

6→

Patents

1996–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 6 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%

C11DDetergent compositions8%

C25FProcesses for the electrolytic removal of materials from objects8%

F01DNon-positive displacement machines or engines, e.g. steam turbines8%

F02BInternal-combustion piston engines8%

F02CGas-turbine plants8%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g8%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%

F16JPistons8%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%

PatentTitleYear

11,021,807Electrolytic polishing method and device2021 8,820,753'Lubricant sealing structure for gear coupling'2014 7,797,936'Exhaust turbo supercharger'2010 7,354,890'Cleaning composition and method'2008 6,337,376'Method for producing a polyolefin'2002 5,481,056'Process for the preparation of polyolefins'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2008Patents assigned to TOSOH CORP (3)· patent assignee history

1996–2002Based in Yokkaichi, JP· patent location history

2008Based in Shunan-shi, JP· patent location history

2010–2014Patents assigned to MITSUBISHI HEAVY IND LTD (2)· patent assignee history

2010–2014Based in Nagasaki, JP· patent location history

2014Patents assigned to KOGA SHIN (1)· patent assignee history

2021Patents assigned to HIGASHI NIHON KIDENKAIHATSU CO LTD (1)· patent assignee history

2021Patents assigned to MARUI GALVANIZING CO LTD (1)· patent assignee history

2021Based in Iwate, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSOH CORP	3	1996–2008
MITSUBISHI HEAVY IND LTD	2	2010–2014
HIGASHI NIHON KIDENKAIHATSU CO LTD	1	2021
KOGA SHIN	1	2014
MARUI GALVANIZING CO LTD	1	2021

Locations

Location	Patents	Span
Nagasaki, JP	2	2010–2014
Yokkaichi, JP	2	1996–2002
Iwate, JP	1	2021
Shunan-shi, JP	1	2008