Inventor

Rikiya Takayama

Inventor
Tokyo, JP

Overview

5→
Patents
2000–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B23Kprimary
B23KSoldering or unsoldering83%
C22CAlloys17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2003Patents assigned to NIPPON STEEL WELDING PROD ENG (2)· patent assignee history
2000Based in Chiba, JP· patent location history
2003Based in Narashino, JP· patent location history
2018Patents assigned to NIPPON STEEL & SUMIKIN WELDING CO LTD (2)· patent assignee history
2018–2019Based in Tokyo, JP· patent location history
2019Patents assigned to NIPPON STEEL WELDING & ENG CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL & SUMIKIN WELDING CO LTD22018
NIPPON STEEL WELDING PROD ENG22000–2003
NIPPON STEEL WELDING & ENG CO LTD12019
Locations
LocationPatentsSpan
Tokyo, JP32018–2019
Narashino, JP12003
Chiba, JP12000