Inventor

Michihiro Yamaguchi

Inventor

Yokohama, JP

Overview

23→

Patents

1991–2002

Patent span

Human necessities

Primary field (CPC A)

Patents· 23 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes27%

A61QSpecific use of cosmetics or similar toiletry preparations25%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%

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

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

B01DSeparation3%

C01BNon-metallic elements3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

A01NPreservation of bodies of humans or animals or plants or parts thereof2%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

PatentTitleYear

6,360,589'Liquid chromatography and column packing material'2002 6,323,246'Complex and emulsified composition'2001 6,316,647'Cation-exchanged clay mineral, packing material for chromatography using the same and method of producing the same'2001 6,231,873'Cosmetic containing fine soft microcapsules'2001 6,150,425'O/W/O type multiphase emulsion'2000 6,063,283'Method for analyzing a sample by using a liquid chromatograph'2000 5,985,177'O/W/O type multiple emulsion and method of preparing the same'1999 5,866,040'Complex and emulsified composition'1999 5,849,834'W/O type emulsified composition and cosmetic'1998 5,817,155'Emulsion for hair treatment'1998 5,785,961'Mixing-at the time of use-type hair-treating composition'1998 5,738,783'Liquid chromatograph having a micro- and semi-micro column'1998 5,679,657'Low molecular weight acetylhyaluronate, skin-softening composition, method of manufacturing the same, and method of purifying the same'1997 5,560,965'Dry flower and process for production of same'1996 5,538,728'Hydrophilic polymer-silicate mineral complex material and use thereof'1996 5,532,305'Controlled release preparation for bioactive substances'1996 5,219,847'Antipruritic composition'1993 5,203,991'Packing material for liquid chromatography'1993 5,165,915'Spherical clay mineral powder, process for production thereof and composition containing the same'1992 5,162,377'Transparent composition'1992 5,145,578'Packing material for liquid chromatography'1992 5,089,269'Cosmetic containing fine soft microcapsules'1992 5,015,469'Water-in-oil emulsion type cosmetics'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to SHIDEIDO COMPANY LTD (1)· patent assignee history

1991–2002Based in Yokohama, JP· patent location history

1992–2002Patents assigned to SHISEIDO CO LTD (22)· patent assignee history

1996Based in Sagamihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHISEIDO CO LTD	22	1992–2002
SHIDEIDO COMPANY LTD	1	1991

Locations

Location	Patents	Span
Yokohama, JP	22	1991–2002
Sagamihara, JP	1	1996