P

Inventor

SAKAI TERUO

8 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI TERUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI OPTICAL CO LTD

4 patents
US5838431ANov 17, 1998

Laser marking device

ASAHI OPTICAL CO LTD82 citations96
US4364535ADec 21, 1982

Counterbalance mechanism for laser knife device

ASAHI OPTICAL CO LTD62 citations93
US5937528AAug 17, 1999

Tilt sensor, mask and coat holder

ASAHI OPTICAL CO LTD10 citations69
US4378492AMar 29, 1983

Laser output measuring device for laser knife

ASAHI OPTICAL CO LTD5 citations57

PENTAX CORP

2 patents
US6487517B2Nov 26, 2002

Target for photogrammetric analytical measurement system

PENTAX CORP14 citations83
US6965134B2Nov 15, 2005

Image pick-up unit including an image pick-up device and optical filter layers

PENTAX CORP2 citations62

HOYA CORP

2 patents
US7508441B1Mar 24, 2009

Electronic still camera and image pick-up unit

HOYA CORP4 citations62
US7643086B2Jan 5, 2010

Electronic still camera having a sealing member for optically isolating an image pickup element

HOYA CORP0 citations51