Inventor

Kiyofumi Matsunaga

Inventor
Kobe, JP

Overview

19→
Patents
2009–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 19 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing89%
LOC2111%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2015Patents assigned to SRI SPORTS LTD (7)· patent assignee history
2009–2019Based in Kobe, JP· patent location history
2012–2015Patents assigned to MATSUNAGA KIYOFUMI (5)· patent assignee history
2012Patents assigned to KUMAMOTO TOMIO (1)· patent assignee history
2014–2018Patents assigned to DUNLOP SPORTS CO LTD (11)· patent assignee history
2018–2019Patents assigned to SUMITOMO RUBBER IND (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DUNLOP SPORTS CO LTD112014–2018
SRI SPORTS LTD72009–2015
MATSUNAGA KIYOFUMIself52012–2015
SUMITOMO RUBBER IND22018–2019
KUMAMOTO TOMIO12012
Locations
LocationPatentsSpan
Kobe, JP192009–2019