Inventor profile of:

Keisuke Ichikawa

City:

Tama

Country:

Japan

Published Applications:

22

Last publication date:

2021-08-19

Top Assignees for applications by Keisuke Ichikawa

The entities that hold a legal rights for patent applications filed by inventor Ichikawa Keisuke:

Recent patent applications by Ichikawa Keisuke

Keisuke Ichikawa from Tama, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2021-08-19
US20210255440A1
Physics

Wide-angle optical system and image pickup apparatus using the same

#2 | 2021-08-19
US20210255439A1
Physics

Wide-angle optical system and image pickup apparatus using the same

#3 | 2021-08-05
US20210239950A1
Physics

Wide-angle optical system including three lens units of −++ refractive powers, and image pickup apparatus using the same

#4 | 2019-01-31
US20190033563A1
Physics

Single-focus optical system and optical apparatus using the same

#5 | 2018-11-01
US20180314043A1
Physics

Single-focus optical system and optical apparatus using the same

#6 | 2018-03-15
US20180074289A1
Physics

Single-focus optical system and optical apparatus using the same

#7 | 2018-03-08
US20180067282A1
Physics

Single focus optical system and optical apparatus using the same

#8 | 2018-03-08
US20180067281A1
Physics

Single-focus optical system and optical apparatus using the same

#9 | 2018-02-22
US20180052310A1
Physics

Single-focus optical system and optical apparatus using the same

#10 | 2018-02-22
US20180052300A1
Physics

Single focus optical system and optical apparatus using the same

#11 | 2017-04-20
US20170108675A1
Physics

Imaging optical system and optical apparatus including the same

#12 | 2017-04-20
US20170108674A1
Physics

Imaging optical system and optical apparatus including the same

#13 | 2017-04-20
US20170108673A1
Physics

Imaging optical system and optical apparatus including the same

#14 | 2012-03-29
US20120075716A1
Physics

Zoom lens and electronic imaging apparatus incorporating the same

#15 | 2012-03-29
US20120075715A1
Physics

Zoom lens and electronic imaging apparatus incorporating the same

#16 | 2012-03-08
US20120057068A1
Physics

Image forming optical system and electronic image pickup apparatus equipped with same

#17 | 2011-12-22
US20110310286A1
Electricity

Image forming optical system and electronic image pickup apparatus using the same

#18 | 2011-11-03
US20110267504A1
Electricity

Image forming optical system and electronic image pickup apparatus using the same

#19 | 2011-05-05
US20110102639A1
Physics

Image forming optical system and electronic image pickup apparatus equipped with same

#20 | 2009-12-24
US20090316277A1
Physics

Zoom lens and an imaging apparatus incorporating the same

#21 | 2009-11-19
US20090284843A1
Physics

Three unit zoom lens and image pickup apparatus equipped with same

#22 | 2009-11-19
US20090284642A1
Physics

Zoom lens and image pickup apparatus equipped with same

InventorID:

6203415 ⎘