Inventor

Masamichi Hashimoto

Inventor

Tokyo, JP

Overview

9→

Patents

1990–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C08Bprimary

C08BPolysaccharides23%

C08LCompositions of macromolecular compounds19%

A61LMethods or apparatus for sterilising materials or objects in general16%

A61KPreparations for medical, dental or toiletry purposes10%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%

C12NMicroorganisms or enzymes6%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%

A01NPreservation of bodies of humans or animals or plants or parts thereof3%

A61QSpecific use of cosmetics or similar toiletry preparations3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

10,806,753Core-shell crosslinked hyaluronic acid gel particles, production method for same, and medical material2020 10,765,110Agent for preserving biological component2020 9,216,193'Crosslinked hyaluronic acid composition and self-crosslinking hyaluronic acid particles'2015 8,927,234'Method for producing hyaluronic acid'2015 7,807,657'Separate type medical material'2010 6,790,461'Hyaluronic acid gel, method of its production and medical material containing it'2004 6,638,538'Hyaluronic acid gel composition, process for producing the same, and medical material containing the same'2003 6,387,413'Hyaluronic acid gel, a method of its production and medical material containing it'2002 4,946,780'Method for producing sodium hyaluronate by fermentation method'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2015Patents assigned to DENKI KAGAKU KOGYO KK (7)· patent assignee history

1990–2020Based in Tokyo, JP· patent location history

2002–2015Based in Machida, JP· patent location history

2015Patents assigned to FUJII KENJI (2)· patent assignee history

2015Patents assigned to HASHIMOTO MASAMICHI (2)· patent assignee history

2015Patents assigned to KAKEMA TERUAKI (2)· patent assignee history

2020Patents assigned to DENKA COMPANY LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DENKI KAGAKU KOGYO KK	7	1990–2015
DENKA COMPANY LTD	2	2020
FUJII KENJI	2	2015
HASHIMOTO MASAMICHIself	2	2015
KAKEMA TERUAKI	2	2015

Locations

Location	Patents	Span
Tokyo, JP	5	1990–2020
Machida, JP	4	2002–2015