Inventor

Katsuhito Oshima

Inventor

Itami, JP

Overview

6→

Patents

2011–2020

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 6 as inventor

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

E04Cprimary

E04CStructural elements24%

C21DModifying the physical structure of ferrous metals12%

C22CAlloys12%

E04GScaffolding12%

B27DWorking veneer or plywood6%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for6%

B27MWorking of wood not provided for in subclasses b27b - b27l6%

B27NManufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material6%

B30BPresses in general6%

E02DFoundations6%

PatentTitleYear

10,864,652Method for manufacturing high-density wood laminate material2020 10,808,305High-strength PC steel wire2020 10,752,974High-strength PC steel wire2020 10,323,415Pregrouted PC steel material and curing method for pregrouted layer therein2019 10,081,943Pregrouted PC steel material and method for hardening pregrout layer thereof2018 7,886,490'Strand'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2019Patents assigned to SUMITOMO SEI STEEL WIRE CORP (3)· patent assignee history

2011–2019Based in Itami, JP· patent location history

2018–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history

2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history

2020Patents assigned to NIPPON STEEL CORP (2)· patent assignee history

2020Patents assigned to DAIKEN CORP (1)· patent assignee history

2020Based in Hyogo, JP· patent location history

2020Based in Toyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO ELECTRIC INDUSTRIES	4	2018–2020
SUMITOMO SEI STEEL WIRE CORP	3	2011–2019
NIPPON STEEL & SUMITOMO METAL CORP	2	2020
NIPPON STEEL CORP	2	2020
DAIKEN CORP	1	2020

Locations

Location	Patents	Span
Itami, JP	3	2011–2019
Hyogo, JP	2	2020
Toyama, JP	1	2020