Inventor

Eiji Koutani

Inventor

Tokyo, JP

Overview

2000–2012

Patent span

Fixed constructions

Primary field (CPC E)

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

B32Bprimary

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%

E04FFinishing work on buildings, e.g. stairs, floors17%

E04HBuildings or like structures for particular purposes17%

F16FSprings17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

Y10TTechnical subjects covered by former us classification17%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2000–2012Patents assigned to FUKUVI CHEM IND CO (2)· patent assignee history

2000–2012Based in Tokyo, JP· patent location history

2012Patents assigned to HATTORI MANABU (1)· patent assignee history

2012Patents assigned to KAWAI YOSHINARI (1)· patent assignee history

2012Patents assigned to KOUTANI EIJI (1)· patent assignee history

2012Patents assigned to OHASHI YOSHIMITSU (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Tokyo, JP	2	2000–2012