Inventor

Mitsuhiko Tanahashi

Inventor

Gifu, JP

Overview

6→

Patents

1987–2007

Patent span

Performing operations

Primary field (CPC B)

Patents· 6 as inventor

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

D02Gprimary

D02GCrimping or curling fibres, filaments, threads, or yarns27%

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 for18%

B27MWorking of wood not provided for in subclasses b27b - b27l18%

Y10TTechnical subjects covered by former us classification18%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%

C07DHeterocyclic compounds9%

PatentTitleYear

7,155,893'Method of producing heat-resistant crimped yarn'2007 6,889,494'Heat-resistant crimped yarn'2005 6,668,535'Heat-resistant crimped yarn'2003 5,343,913'Wood treating method and apparatus'1994 5,247,975'Wood treating method and apparatus'1993 4,684,740'Production of 2,6-bis (4-hydroxy-3,5-dimethoxyphenyl-3,7-dioxabicyclo (3.3.0) octane'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to JUJO PAPER CO LTD (1)· patent assignee history

1987Based in Uji, JP· patent location history

1993–1994Patents assigned to HISAKA WORKS LTD (2)· patent assignee history

1993–1994Patents assigned to TANAHASHI MITSUHIKO (2)· patent assignee history

1993–1994Based in Gifu-shi, JP· patent location history

2003–2005Patents assigned to TORAY DU PONT KK (2)· patent assignee history

2003–2007Based in Gifu, JP· patent location history

2007Patents assigned to TOKAI SENKO K K (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HISAKA WORKS LTD	2	1993–1994
TANAHASHI MITSUHIKOself	2	1993–1994
TORAY DU PONT KK	2	2003–2005
JUJO PAPER CO LTD	1	1987
TOKAI SENKO K K	1	2007

Locations

Location	Patents	Span
Gifu, JP	3	2003–2007
Gifu-shi, JP	2	1993–1994
Uji, JP	1	1987