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Inventor

Hidejiro Yokoo

Inventor
Minato-ku, JP

Overview

6→
Patents
1977–2015
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.

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C01BNon-metallic elements20%
C07CAcyclic or carbocyclic compounds10%
C07DHeterocyclic compounds10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
PatentTitleYear
9,115,000'Process for producing carbonyl sulfide'20158,664,438'Process for producing carbonyl difluoride'20145,453,537'Method for preparing an N-phosphonomethylglycine'19954,842,640'Oxadiazolone derivative, production process thereof, and herbicide containing same'19894,496,585'Powdered or granular solid pesticide composition'19854,039,577'Process for preparing phenylisopropylurea derivatives'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2015Patents assigned to SHOWA DENKO KK (5)· patent assignee history
1977–1985Based in Tokyo, JP· patent location history
1989Based in Fukushima, JP· patent location history
1995Based in Chiba, JP· patent location history
2014–2015Patents assigned to OHNO HIROMOTO (2)· patent assignee history
2014–2015Patents assigned to YOKOO HIDEJIRO (2)· patent assignee history
2014Patents assigned to OHI TOSHIO (1)· patent assignee history
2014–2015Based in Minato-ku, JP· patent location history
2015Patents assigned to IRIE SHIHO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHOWA DENKO KK51977–2015
OHNO HIROMOTO22014–2015
YOKOO HIDEJIROself22014–2015
IRIE SHIHO12015
OHI TOSHIO12014
Locations
LocationPatentsSpan
Minato-ku, JP22014–2015
Tokyo, JP21977–1985
Chiba, JP11995
Fukushima, JP11989