Inventor

Masayuki Shibuya

Inventor

Tokyo, JP

Overview

1986–2020

Patent span

Chemistry

Primary field (CPC C)

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

C22Cprimary

C22CAlloys12%

Y10TTechnical subjects covered by former us classification12%

B21BRolling of metal8%

B23KSoldering or unsoldering8%

C21DModifying the physical structure of ferrous metals8%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%

B05CApparatus for applying fluent materials to surfaces, in general4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C07BGeneral methods of organic chemistry4%

C07DHeterocyclic compounds4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2007Based in Taipei, TW· patent location history

2010Based in Tokushima, JP· patent location history

2016–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (4)· patent assignee history

2016–2018Patents assigned to KITA HAYATO (2)· patent assignee history

2016–2018Patents assigned to SHIBUYA MASAYUKI (2)· patent assignee history

2016–2018Patents assigned to TAKEUCHI KOUICHI (2)· patent assignee history

2016Based in Narashino, JP· patent location history

2017–2020Based in Tokyo, JP· patent location history

2018Patents assigned to ARIZONO DAISAKU (1)· patent assignee history

2018Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL & SUMITOMO METAL CORP	4	2016–2020
KITA HAYATO	2	2016–2018
SHIBUYA MASAYUKIself	2	2016–2018
TAKEUCHI KOUICHI	2	2016–2018
ARIZONO DAISAKU	1	2018

Locations