Inventor
WATANABE TSUNEO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
23 patentsUS6791770B2Sep 14, 2004
Lens barrel
NIKON CORP18 citations93
US6016405AJan 18, 2000
Camera system for reducing the influence of vibration generated by actuators
NIKON CORP9 citations74
US5751502AMay 12, 1998
Lens barrel with built-in ultrasonic motor
NIKON CORP12 citations74
US5552847ASep 3, 1996
Lens barrel
NIKON CORP11 citations74
US5530596AJun 25, 1996
Lens barrel for an automatic focusing system
NIKON CORP10 citations74
US5293208AMar 8, 1994
Camera and printing apparatus which can be used for trimming shots
NIKON CORP12 citations74
US5231444AJul 27, 1993
Camera system including rear conversion lens
NIKON CORP8 citations74
US5204577AApr 20, 1993
Ultrasonic motor improved in driving efficiency
NIKON CORP18 citations74
US4974001ANov 27, 1990
Diaphragm device
NIKON CORP8 citations73
US6094538AJul 25, 2000
Autofocus lens barrel
NIKON CORP14 citations72
US5572373ANov 5, 1996
Photographing lens switchable between manual-focus and auto-focus modes
NIKON CORP17 citations72
US5227829AJul 13, 1993
Photographing lens switchable between manual focus and auto focus modes
NIKON CORP13 citations72
US5446331AAug 29, 1995
Ultrasonic wave motor
NIKON CORP5 citations71
US5663842ASep 2, 1997
Surface wave motor built-in lens barrel
NIKON CORP8 citations66
US5539583AJul 23, 1996
Lens barrel with rotation amount detecting encoder and asssembling method thereof
NIKON CORP5 citations63
US5266989ANov 30, 1993
Camera which can be used for trimming shots
NIKON CORP3 citations63
US5900992AMay 4, 1999
Collapsible lens barrel
NIKON CORP6 citations62
US7663810B2Feb 16, 2010
Lens barrel and method for manufacturing the same
NIKON CORP5 citations60
US6748166B2Jun 8, 2004
Lens-barrel and camera system having the lens-barrel
NIKON CORP3 citations60
US12332499B2Jun 17, 2025
Lens barrel and imaging device
NIKON CORP0 citations59
US11982868B2May 14, 2024
Lens barrel and imaging device
NIKON CORP1 citations59
US5625247AApr 29, 1997
Vibration driven motor
NIKON CORP1 citations50
US11906716B2Feb 20, 2024
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations48
NISSAN CHEMICAL IND LTD
5 patentsUS9556187B2Jan 31, 2017
Substituted pyrrolo[3′,2′:5,6]pyrido[4,3-d]pyrimidines and JAK inhibitors comprising the same
NISSAN CHEMICAL IND LTD9 citations81
US5460814AOct 24, 1995
Fermentation broth and microorganisms which produce them
NISSAN CHEMICAL IND LTD6 citations71
US5346919ASep 13, 1994
Anti-bacterial substances and microorganisms which produce them
NISSAN CHEMICAL IND LTD5 citations71
US9890165B2Feb 13, 2018
Tricyclic compound and JAK inhibitor
NISSAN CHEMICAL IND LTD0 citations51
US9475813B2Oct 25, 2016
Tricyclic pyrrolopyridine compound, and JAK inhibitor
NISSAN CHEMICAL IND LTD0 citations39
FUJI ELECTRIC CO LTD
4 patentsUS5572179ANov 5, 1996
Thin film transformer
FUJI ELECTRIC CO LTD152 citations97
US5420558AMay 30, 1995
Thin film transformer
FUJI ELECTRIC CO LTD167 citations97
US5355301AOct 11, 1994
One-chip type switching power supply device
FUJI ELECTRIC CO LTD72 citations93
US5479335ADec 26, 1995
Regulated DC voltage power supply
FUJI ELECTRIC CO LTD9 citations74
CHIYODA CHEM ENG CONSTRUCT CO
4 patentsUS5382711AJan 17, 1995
Process for the production of bishenol A
CHIYODA CHEM ENG CONSTRUCT CO12 citations80
US5382712AJan 17, 1995
Process for the production of bisphenol A
CHIYODA CHEM ENG CONSTRUCT CO13 citations80
US5324867AJun 28, 1994
Process for the production of bisphenol A.
CHIYODA CHEM ENG CONSTRUCT CO18 citations80
US5371304ADec 6, 1994
Process for the production of bisphenol A
CHIYODA CHEM ENG CONSTRUCT CO13 citations79
NAT INST OF ADVANCED IND SCIEN
2 patentsTOSHIBA KK
2 patentsTOKYO KEIKI KK
1 patentTOKYO SHIBAURA ELECTRIC CO
1 patentMITSUBISHI METAL CORP
1 patentTEIJIN LTD
1 patentTOPY IND
1 patentDENSO CORP
1 patentABE KISHIRO
1 patentNISSAN CHEMICAL CORP
1 patentCHIYODA CORP
1 patentHAYASHI KEISHI
1 patentShowing the top 50 of 54 patents by PatentIndex Score.