Inventor

Toshikazu Takahashi

Inventor

Tsukuba, JP

Overview

7→

Patents

1993–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C07Dprimary

C07DHeterocyclic compounds50%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry36%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

10,029,241Method for producing catalyst for cyclic carbonate synthesis2018 10,011,621Method for producing silica gel-immobolized phosphonium salt catalysts2018 9,856,229'Method for producing cyclic carbonate'2018 9,834,536Method for producing catalyst for cyclic carbonate synthesis2017 9,586,927'Method for continuously producing cyclic carbonate'2017 5,599,935'Bisquinolinol and bisbenzoquinolinol compounds, and process for producing same'1997 5,182,398'.alpha.-Amino acid diamide and use thereof as cupric ion-transporting ionophore'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history

1993–2018Based in Tsukuba, JP· patent location history

1997Patents assigned to DIRECTOR GENERAL OF IND SCIENC (1)· patent assignee history

2017–2018Patents assigned to MARUZEN PETROCHEM CO LTD (5)· patent assignee history

2017–2018Patents assigned to AIST (4)· patent assignee history

2017Patents assigned to NAT INST ADVANCED IND SCIENCE & TECH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MARUZEN PETROCHEM CO LTD	5	2017–2018
AIST	4	2017–2018
AGENCY IND SCIENCE TECHN	1	1993
DIRECTOR GENERAL OF IND SCIENC	1	1997
NAT INST ADVANCED IND SCIENCE & TECH	1	2017

Locations

Location	Patents	Span
Tsukuba, JP	7	1993–2018