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Inventor

Yasuyuki Yoshida

Inventor
Hiroshima, JP

Overview

11→
Patents
1979–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 11 as inventor

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

C12Nprimary
C12NMicroorganisms or enzymes12%
A61CDentistry8%
A61FFilters implantable into blood vessels8%
A61LMethods or apparatus for sterilising materials or objects in general8%
B01DSeparation8%
A23CDairy products, e.g. milk, butter or cheese4%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
B04BCentrifuges4%
B08BCleaning in general4%
B21BRolling of metal4%
PatentTitleYear
10,010,834Operating method for membrane separation device and membrane separation device20186,780,148'Decanter type centrifugal separator with restriction effected discharge route'20045,191,696'Method for joining rolled plates'19935,152,897'Method for the purification of a bifidobacteria-proliferating substance'19925,087,449'Method for the preparation of a substance capable of proliferating bifidobacteria growth and the substance'19924,942,458'Color liquid crystal display apparatus'19904,902,673'Enhancing growth of bifidobacteria using soybean extract'19904,287,405'Process and apparatus for exhausting fumes produced by arc welding'19814,223,412'Implants for bones, joints or tooth roots'19804,194,672'Process for the diffusion welding of copper and stainless steel'19804,146,936'Implants for bones, joints and tooth roots'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1980Patents assigned to SUMITOMO CHEMICAL CO (2)· patent assignee history
1979–1980Based in Toyonaka, JP· patent location history
1980–1993Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
1980–1993Based in Hiroshima, JP· patent location history
1990–1992Patents assigned to CALPIS FOOD IND CO LTD (3)· patent assignee history
1990Patents assigned to CITIZEN WATCH CO LTD (1)· patent assignee history
1990–1992Based in Kanagawa, JP· patent location history
2004–2018Patents assigned to KUBOTA KK (2)· patent assignee history
2004Based in Osaka, JP· patent location history
2018Based in Amagasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALPIS FOOD IND CO LTD31990–1992
MITSUBISHI HEAVY IND LTD31980–1993
KUBOTA KK22004–2018
SUMITOMO CHEMICAL CO21979–1980
CITIZEN WATCH CO LTD11990
Locations
LocationPatentsSpan
Hiroshima, JP31980–1993
Kanagawa, JP21990–1992
Toyonaka, JP21979–1980
Amagasaki, JP12018
Osaka, JP12004