Inventor

Naoki Hanayama

Inventor

Nakatsu, JP

Overview

5→

Patents

1985–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

B41Mprimary

B41MPrinting, duplicating, marking, or copying processes25%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium25%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%

C07CAcyclic or carbocyclic compounds13%

C09KMaterials for miscellaneous applications, not provided for elsewhere13%

PatentTitleYear

5,169,885'Bis[2-tert-butyl-4-(2-octadecyloxycarbonylethyl)-6-methylphenyl ]phosphite useful as a stabilizing agent'1992 5,077,424'Phosphite compounds'1991 4,982,010'Method of producing 4-biphenyl p-tolyl ether'1991 4,605,940'Thermoresponsive recording paper sheet'1986 4,558,335'Thermoresponsive recording sheet'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Patents assigned to YOSHITOMI PHARMACEUTICAL (5)· patent assignee history

1985–1991Based in Oita, JP· patent location history

1986–1992Based in Nakatsu, JP· patent location history

1991–1992Patents assigned to MITSUBISHI PETROCHEMICAL CO (2)· patent assignee history

1991Based in Suzuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YOSHITOMI PHARMACEUTICAL	5	1985–1992
MITSUBISHI PETROCHEMICAL CO	2	1991–1992

Locations

Location	Patents	Span
Nakatsu, JP	2	1986–1992
Oita, JP	2	1985–1991
Suzuka, JP	1	1991