Inventor

Masatoshi Sakai

Inventor
Yokohama, JP

Overview

6→
Patents
1998–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary
C07DHeterocyclic compounds15%
C09KMaterials for miscellaneous applications, not provided for elsewhere15%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for8%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B24BMachines, devices, or processes for grinding or polishing8%
C01BNon-metallic elements8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to SUMIKA FINE CHEMICALS CO LTD (2)· patent assignee history
1998–2001Based in Kurashiki, JP· patent location history
2000Patents assigned to FUSO SILTECH CO LTD (1)· patent assignee history
2000Patents assigned to ITOCHU TECHNO CHEM INC (1)· patent assignee history
2000Based in Tokyo, JP· patent location history
2004Patents assigned to FUSO CHEMICAL LTD (1)· patent assignee history
2004Based in Kyoto, JP· patent location history
2010–2014Based in Yokohama, JP· patent location history
2014Patents assigned to HONJOH TSUTOMU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMIKA FINE CHEMICALS CO LTD21998–2001
FUSO CHEMICAL LTD12004
FUSO SILTECH CO LTD12000
HONJOH TSUTOMU12014
ITOCHU TECHNO CHEM INC12000
Locations
LocationPatentsSpan
Yokohama, JP22010–2014
Kurashiki, JP21998–2001
Kyoto, JP12004
Tokyo, JP12000