Inventor

Takashi Rokutanda

Inventor
Yokohama, JP

Overview

14→
Patents
1980–2018
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G03Gprimary
G03GElectrography21%
C22CAlloys11%
G06FElectric digital data processing11%
B26BHand-held cutting tools not otherwise provided for7%
B26DCutting7%
A61BDiagnosis4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys4%
C23CCoating metallic material4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history
1981Based in Tachikawa, JP· patent location history
1985Based in Tokyo, JP· patent location history
2000–2001Patents assigned to HITACHI KOKI KK (4)· patent assignee history
2000–2006Based in Ibaraki, JP· patent location history
2000–2001Based in Hitachinaka, JP· patent location history
2010–2018Patents assigned to TOSHIBA KK (5)· patent assignee history
2010–2018Based in Yokohama, JP· patent location history
2011–2018Patents assigned to TOSHIBA MATERIALS CO LTD (3)· patent assignee history
2011–2016Patents assigned to ROKUTANDA TAKASHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK52010–2018
HITACHI KOKI KK42000–2001
TOKYO SHIBAURA ELECTRIC CO31980–1985
TOSHIBA MATERIALS CO LTD32011–2018
ROKUTANDA TAKASHIself22011–2016
Locations
LocationPatentsSpan
Yokohama, JP52010–2018
Ibaraki, JP42000–2006
Hitachinaka, JP22000–2001
Tokyo, JP11985
Tachikawa, JP11981