Inventor

Tamotsu Eguchi

Inventor

Fujioka, JP

Overview

7→

Patents

1990–2017

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 as inventor

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

B43Kprimary

B43KImplements for writing or drawing20%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture20%

B43LArticles for writing or drawing upon13%

A45DHairdressing or shaving equipment7%

A61KPreparations for medical, dental or toiletry purposes7%

A61QSpecific use of cosmetics or similar toiletry preparations7%

B43MBureau accessories not otherwise provided for7%

C07DHeterocyclic compounds7%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

9,795,553'Highly functional coloring material and production process for the same'2017 7,140,798'Coating fluid and fluid applicator'2006 6,569,652'Process for preparing optically active 1,2-diols'2003 6,491,466'Applicator for fluid'2002 6,435,751'Click type writing implement'2002 6,107,064'Process for producing xanthine derivatives with bacteria and fungi'2000 4,929,551'Process for producing L(-)-tetrahydrofolic acid'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2000Patents assigned to KYOWA HAKKO KOGYO KK (2)· patent assignee history

1990–2000Based in Machida, JP· patent location history

2002–2017Patents assigned to MITSUBISHI PENCIL CO (4)· patent assignee history

2002–2017Based in Fujioka, JP· patent location history

2003Patents assigned to MERCK & CO INC (1)· patent assignee history

2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI PENCIL CO	4	2002–2017
KYOWA HAKKO KOGYO KK	2	1990–2000
MERCK & CO INC	1	2003

Locations

Location	Patents	Span
Fujioka, JP	4	2002–2017
Machida, JP	2	1990–2000
Tokyo, JP	1	2003