Inventor

Hiroyuki Okitsu

Inventor

Kawasaki, JP

Overview

6→

Patents

1977–2002

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.

C07Cprimary

C07CAcyclic or carbocyclic compounds17%

G03GElectrography17%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables8%

C09KMaterials for miscellaneous applications, not provided for elsewhere8%

C10LFuels not otherwise provided for8%

C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes8%

G01FMeasuring volume, volume flow, mass flow or liquid level8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

6,389,239'Liquid detection device, fusing unit using the same, and electrophotographic apparatus'2002 5,839,047'Sheet-size detection mechanism for sheet cassettes and image-forming-apparatus using the same'1998 5,615,001'Multicolor image forming apparatus'1997 4,354,037'Process for preparing benzenecarboxylic acids'1982 4,230,595'Oxygen scavenging and heat-generating compositions, and deoxygenating and heat-generating structures'1980 4,008,286'Process for preparing glycols'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to TEIJIN LTD (3)· patent assignee history

1977–1982Based in Iwakuni, JP· patent location history

1997–2002Patents assigned to FUJITSU LTD (3)· patent assignee history

1997–2002Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	3	1997–2002
TEIJIN LTD	3	1977–1982

Locations

Location	Patents	Span
Kawasaki, JP	3	1997–2002
Iwakuni, JP	3	1977–1982