Inventor

Masatoyo Okitsu

Inventor

Kasukabe, JP

Overview

3→

Patents

1989–1993

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

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

A63Bprimary

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing13%

B29BPreparation or pretreatment of the material to be shaped13%

B29CShaping or joining of plastics13%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts13%

B63HMarine propulsion or steering13%

C08JWorking-up13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

5,208,090'Metal single fiber-reinforced prepreg'1993 5,104,123'Metal bat for use in baseball'1992 4,867,091'Surfing boom'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to SOMAR CORP (3)· patent assignee history

1989Based in Saitama, JP· patent location history

1992–1993Based in Kasukabe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SOMAR CORP	3	1989–1993

Locations

Location	Patents	Span
Kasukabe, JP	2	1992–1993
Saitama, JP	1	1989