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Inventor

Hiromitsu Iwata

Inventor
Takatsuki, JP

Overview

14→
Patents
1987–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C07Dprimary
C07DHeterocyclic compounds29%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
F04BPositive-displacement machines for liquids4%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01RMeasuring electric variables4%
G11BInformation storage based on relative movement between record carrier and transducer4%
PatentTitleYear
9,995,291Sealed compressor and refrigeration unit including sealed compressor20186,049,252'Programmable-gain amplifier'20005,939,902'Integrating circuit internally included in semiconductor device'19995,885,981'Antibacterial penem esters derivatives'19995,830,889'Antibacterial penem esters derivatives'19985,703,068'Penem compounds'19975,506,225'Antibacterial penem compounds'19965,289,231'Apparatus for manufacturing disc medium'19945,116,832'Penem derivatives production and use thereof'19925,026,844'Process for the preparation of 4-acyloxy-2-azetidinone derivatives'19914,997,829'Penem compounds, and use thereof'19914,985,575'Process for preparing optically active tetrahydro-2-furoic acid'19914,716,299'Apparatus for conveying and inspecting a substrate'19874,655,584'Substrate positioning apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to NIPPON KOGAKU KK (2)· patent assignee history
1987–1994Based in Yokohama, JP· patent location history
1991–1999Patents assigned to SUNTORY LTD (8)· patent assignee history
1991Patents assigned to NIPPON SODA CO (2)· patent assignee history
1991–1999Based in Takatsuki, JP· patent location history
1991–1997Based in Osaka, JP· patent location history
1994Patents assigned to NIKON CORP (1)· patent assignee history
1999–2000Patents assigned to NEC CORP (2)· patent assignee history
2000Based in Tokyo, JP· patent location history
2018Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUNTORY LTD81991–1999
NEC CORP21999–2000
NIPPON KOGAKU KK21987
NIPPON SODA CO21991
NIKON CORP11994
Locations
LocationPatentsSpan
Takatsuki, JP51991–1999
Yokohama, JP31987–1994
Osaka, JP21991–1997
Shiga, JP12018
Tokyo, JP12000