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Inventor

Yoshinobu Kumakawa

Inventor
Tokyo, JP

Overview

3→
Patents
2013–2014
Patent span
LOC
Primary field

Patents· 3 as inventor

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

LOC08primary
LOC0840%
E04BGeneral building constructions20%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
D0708935'Beam joint hardware'2014D0700506'Beam joint hardware'20148,511,033'Beam-column connection structure of continued beam connection portion'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2014Patents assigned to IMAI JUNICHI (3)· patent assignee history
2013–2014Patents assigned to KANAI CO LTD (3)· patent assignee history
2013–2014Patents assigned to KANAI KUNIO (3)· patent assignee history
2013–2014Patents assigned to KUMAKAWA YOSHINOBU (3)· patent assignee history
2013–2014Patents assigned to NAKAMURA MASAYOSHI (3)· patent assignee history
2013–2014Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMAI JUNICHI32013–2014
KANAI CO LTD32013–2014
KANAI KUNIO32013–2014
KUMAKAWA YOSHINOBUself32013–2014
NAKAMURA MASAYOSHI32013–2014
Locations
LocationPatentsSpan
Tokyo, JP32013–2014