Inventor

Akiko Hayashi

Inventor
Ibaraki, JP

Overview

10→
Patents
2001–2020
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.

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers38%
B41JTypewriters25%
B23KSoldering or unsoldering6%
B41MPrinting, duplicating, marking, or copying processes6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C08LCompositions of macromolecular compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to IBM (1)· patent assignee history
2001Based in Yamato, JP· patent location history
2005–2020Patents assigned to RISO KAGAKU CORP (9)· patent assignee history
2005–2020Based in Ibaraki, JP· patent location history
2009Based in Amimachi, JP· patent location history
2011Based in Wakaguri, JP· patent location history
2013Patents assigned to HAYASHI AKIKO (1)· patent assignee history
2013Patents assigned to NISHIMURA ASAYO (1)· patent assignee history
2013Patents assigned to SUGITANI HIROSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RISO KAGAKU CORP92005–2020
HAYASHI AKIKOself12013
IBM12001
NISHIMURA ASAYO12013
SUGITANI HIROSHI12013
Locations
LocationPatentsSpan
Ibaraki, JP72005–2020
Wakaguri, JP12011
Amimachi, JP12009
Yamato, JP12001