Inventor

Takuhiro Murakami

Inventor

Hitachinaka, JP

Overview

2003–2020

Patent span

Performing operations

Primary field (CPC B)

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

B25Fprimary

B25FCombination or multi-purpose tools not otherwise provided for17%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding13%

Y10TTechnical subjects covered by former us classification13%

B24BMachines, devices, or processes for grinding or polishing8%

B25CHand-held nailing or stapling tools8%

F16DCouplings for transmitting rotation8%

LOC138%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%

B25DPercussive tools4%

B28DWorking stone or stone-like materials4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2003–2020Patents assigned to HITACHI KOKI KK (11)· patent assignee history

2003–2016Based in Hitachinaka, JP· patent location history

2005–2020Based in Ibaraki, JP· patent location history

2012–2016Patents assigned to MURAKAMI TAKUHIRO (3)· patent assignee history

2012–2016Patents assigned to ITOH TAKAFUMI (2)· patent assignee history

2012–2016Patents assigned to OGURA MASAYUKI (2)· patent assignee history

2020Patents assigned to KOKI HOLDINGS CO LTD (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Hitachinaka, JP	7	2003–2016
Ibaraki, JP	4	2005–2020