LexDanaLexDanabeta
Inventor

Katsunobu Hagiwara

Inventor
Takasago, JP

Overview

13→
Patents
1981–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped41%
B29CShaping or joining of plastics14%
B01FMixing, e.g. dissolving, emulsifying or dispersing9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
F16DCouplings for transmitting rotation5%
G01MTesting static or dynamic balance of machines or structures5%
H04BTransmission5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
8,926,166'Kneading rotor, batch kneader and method of kneading materials'20158,882,337'Closed kneading machine and kneading rotor'20148,714,806'Coupling apparatus and kneading equipment having kneading apparatus and drive apparatus coupled together through the coupling apparatus'20147,854,542'Batch mixer and mixing rotor used in the same'20107,694,317'CATV transmission line monitoring system, method, and program'20105,607,703'Roller head extruder unit'19975,562,358'Rim clamping device for a tire uniformity machine'19965,520,455'Batch type kneader having specified parameters and chamfered lands'19965,372,419'Internal mixer having two speed gearing'19944,986,745'Roller head opening and closing apparatus in roller head extruder'19914,859,074'Closed mixing machine'19894,718,771'Closed mixing machine'19884,304,539'Extruder with roller die'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2015Patents assigned to KOBE STEEL LTD (12)· patent assignee history
1981–1997Based in Kobe, JP· patent location history
1996–2015Based in Takasago, JP· patent location history
2010Based in Shizuoka, JP· patent location history
2014–2015Patents assigned to HAGIWARA KATSUNOBU (3)· patent assignee history
2014–2015Patents assigned to FUKUTANI KAZUHISA (2)· patent assignee history
2014–2015Patents assigned to INOUE KIMIO (2)· patent assignee history
2014–2015Patents assigned to NAKANO HIROMI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD121981–2015
HAGIWARA KATSUNOBUself32014–2015
FUKUTANI KAZUHISA22014–2015
INOUE KIMIO22014–2015
NAKANO HIROMI22014–2015
Locations
LocationPatentsSpan
Takasago, JP61996–2015
Kobe, JP61981–1997
Shizuoka, JP12010