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Inventor

Hiroyuki Mukaiyama

Inventor
Suwa, JP

Overview

9→
Patents
1997–2011
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G02Cprimary
G02CSpectacles43%
G02BOptical elements, systems or apparatus21%
Y10TTechnical subjects covered by former us classification14%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
H02NElectric machines not otherwise provided for7%
H10NElectric solid-state devices not otherwise provided for7%
PatentTitleYear
7,927,687'Optical element, optical lowpass filter, and solid-state imaging device'20117,740,934'Optical low pass filter'20107,221,525'Drive apparatus, lens unit, and camera'20076,220,704'Progressive power lens'20016,199,983'Apparatus and method for manufacturing a progressive multi-focal lens'20016,019,470'Progressive multifocal lens and manufacturing method of eyeglass lens and progressive multifocal lens'20005,926,250'Multifocal lens for eyeglass and eyeglass lens'19995,745,211'Progressive power lens and eye glass lens'19985,644,374'Variable focus type eyesight correcting apparatus'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2010Patents assigned to SEIKO EPSON CORP (8)· patent assignee history
1997–2007Based in Suwa, JP· patent location history
1998–2001Based in Nagano, JP· patent location history
2010–2011Based in Minowa-machi, JP· patent location history
2011Patents assigned to EPSON TOYOCOM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP81997–2010
EPSON TOYOCOM CORP12011
Locations
LocationPatentsSpan
Suwa, JP51997–2007
Minowa-machi, JP22010–2011
Nagano, JP21998–2001