Inventor
KATSURADA HIROYUKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KATSURADA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
13 patentsUS6142930ANov 7, 2000
Electronic endoscope having compact construction
ASAHI OPTICAL CO LTD185 citations99
US5725477AMar 10, 1998
Front end structure of endoscope
ASAHI OPTICAL CO LTD236 citations99
US5725474AMar 10, 1998
Front end structure of endoscope
ASAHI OPTICAL CO LTD180 citations99
US5725476AMar 10, 1998
Front end structure of endoscope
ASAHI OPTICAL CO LTD170 citations99
US5865726AFeb 2, 1999
Front end structure of side-view type endoscope
ASAHI OPTICAL CO LTD154 citations97
US5239983AAug 31, 1993
Connector apparatus for endoscope
ASAHI OPTICAL CO LTD139 citations97
US5868663AFeb 9, 1999
Front end structure of side-view type endoscope
ASAHI OPTICAL CO LTD60 citations96
US5746695AMay 5, 1998
Front end structure of endoscope
ASAHI OPTICAL CO LTD91 citations96
US5733244AMar 31, 1998
Distal end part of endoscope
ASAHI OPTICAL CO LTD69 citations96
US5370108ADec 6, 1994
Endoscope
ASAHI OPTICAL CO LTD58 citations95
US5217002AJun 8, 1993
Flexible tube of endoscope and method of producing the same
ASAHI OPTICAL CO LTD71 citations94
US5725475AMar 10, 1998
Front end structure of endoscope
ASAHI OPTICAL CO LTD52 citations92
US5343854ASep 6, 1994
Device for establishing communication between the interior and exterior of endoscope
ASAHI OPTICAL CO LTD22 citations92