Inventor

Satoshi Yahagi

Inventor

Saitama, JP

Overview

1994–2010

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus73%

H04NPictorial communication, e.g. television27%

PatentTitleYear

7,848,630'Autofocus adapter'2010 7,417,682'Visible and infrared light photographing lens system'2008 7,262,805'Focus detecting system'2007 6,924,842'Focusing state determining adapter for taking lens'2005 6,822,801'Device for determining focused state of taking lens'2004 6,809,883'Autofocus system'2004 6,783,246'Ghost image prevention element for imaging optical system'2004 6,522,479'Zoom lens'2003 6,278,559'Zoom lens for television camera'2001 6,124,983'Zoom lens'2000 6,014,268'Two-group small zoom lens'2000 5,808,809'Zoom lens'1998 5,764,420'Zoom lens'1998 5,760,966'Zoom lens'1998 5,745,298'Zoom lens system'1998 5,694,252'Zoom lens'1997 5,657,170'Photographic lens apparatus'1997 5,548,445'Zoom lens system'1996 5,459,615'Miniature fixed-focal-length lens system'1995 5,327,289'Luminous flux separating optical system'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Patents assigned to FUJI PHOTO OPTICAL CO LTD (16)· patent assignee history

1994–1998Based in Omiya, JP· patent location history

1995–2010Based in Saitama, JP· patent location history

2000Based in Kita-adachi-gun, JP· patent location history

2003–2007Based in Fuchu, JP· patent location history

2004Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history

2005–2010Patents assigned to FUJINON CORP (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO OPTICAL CO LTD	16	1994–2004
FUJINON CORP	4	2005–2010
JAPAN BROADCASTING CORP	1	2004

Locations

Location	Patents	Span
Saitama, JP	9	1995–2010
Omiya, JP	6	1994–1998
Fuchu, JP	4	2003–2007
Kita-adachi-gun, JP	1	2000