Inventor

Hiroaki Hanaoka

Inventor

Tokyo, JP

Overview

2→

Patents

1989–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium50%

H01FMagnets50%

PatentTitleYear

5,137,652'Method of manufacturing particle colloid or a magnetic fluid containing metal nitrides'1992 4,851,558'Process for producing alkoxysilanes'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TOSHIBA SILICONE (1)· patent assignee history

1989Based in Ohta, JP· patent location history

1992Patents assigned to NAT RES INST METALS (1)· patent assignee history

1992Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NAT RES INST METALS	1	1992
TOSHIBA SILICONE	1	1989

Locations

Location	Patents	Span
Tokyo, JP	1	1992
Ohta, JP	1	1989