Inventor

Takayuki Hirayama

Inventor
Kawasaki, JP

Overview

10→
Patents
1986–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08LCompositions of macromolecular compounds7%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
A61LMethods or apparatus for sterilising materials or objects in general3%
B82YSpecific uses or applications of nanostructures3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
1986–1990Based in Saitama, JP· patent location history
1994–2000Patents assigned to NIPPON OIL CO LTD (6)· patent assignee history
1994–2002Based in Yokohama, JP· patent location history
1998–2000Patents assigned to DAINIPPON PRINTING CO LTD (3)· patent assignee history
1998–2001Based in Kawasaki, JP· patent location history
2001–2002Patents assigned to NIPPON MITSUBISHI OIL CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON OIL CO LTD61994–2000
DAINIPPON PRINTING CO LTD31998–2000
HONDA MOTOR CO LTD21986–1990
NIPPON MITSUBISHI OIL CORP22001–2002
Locations
LocationPatentsSpan
Kawasaki, JP61998–2001
Yokohama, JP21994–2002
Saitama, JP21986–1990