Inventor

Yasumasa Shimizu

Inventor

Chichibu, JP

Overview

1983–2008

Patent span

Human necessities

Primary field (CPC A)

Patents· 27 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 fencing68%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%

C08LCompositions of macromolecular compounds14%

C07CAcyclic or carbocyclic compounds3%

G10DStringed musical instruments3%

PatentTitleYear

7,390,852'Multi-piece solid golf ball'2008 RE040118'Multi-piece solid golf ball'2008 7,160,940'Multi-piece solid golf ball'2007 7,086,970'Multi-piece golf ball'2006 7,048,649'Solid multi-piece golf ball'2006 7,037,215'Multi-piece golf ball'2006 6,981,925'Multi-piece solid golf ball'2006 6,939,250'Multi-piece golf ball'2005 6,921,346'Two-piece solid golf ball'2005 6,887,168'Two-piece solid golf ball'2005 6,875,132'Multi-piece solid golf ball'2005 6,838,604'Wooden bars arranged for percussion instruments'2005 6,824,478'Multi-piece solid golf ball'2004 6,786,839'Multi-piece solid golf ball'2004 6,786,840'Two-piece solid golf ball'2004 6,758,765'Multi-piece golf ball'2004 6,743,122'Multi-piece solid golf ball'2004 6,729,974'Two-piece golf ball'2004 6,726,578'Two-piece golf ball'2004 6,632,148'Golf ball'2003 6,602,152'Golf ball'2003 6,592,471'Multi-piece solid golf ball'2003 6,561,925'Multi-piece solid golf ball'2003 6,277,036'Multi-piece solid golf ball'2001 6,251,031'Multi-piece solid golf ball'2001 6,117,026'Multi-piece solid golf ball'2000 4,382,147'Process for isolating 4,4-dihydroxydiphenyl sulfone from a mixture of dihydroxydiphenylsulfone isomers'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to TOKAI ELECTRO CHEMICAL CO (1)· patent assignee history

1983Based in Fuji, JP· patent location history

2000–2008Patents assigned to BRIDGESTONE SPORTS CO LTD (24)· patent assignee history

2000–2008Based in Chichibu, JP· patent location history

2005Patents assigned to YAMAHA CORP (1)· patent assignee history

2005Based in Hamamatsu, JP· patent location history

2008Patents assigned to BRIDGESTONE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRIDGESTONE SPORTS CO LTD	24	2000–2008
BRIDGESTONE CORP	1	2008
TOKAI ELECTRO CHEMICAL CO	1	1983
YAMAHA CORP	1	2005

Locations

Location	Patents	Span
Chichibu, JP	25	2000–2008
Hamamatsu, JP	1	2005
Fuji, JP	1	1983