Inventor

Nobuyuki Baba

Inventor

Yokohama, JP

Overview

36→

Patents

1977–2018

Patent span

Physics

Primary field (CPC G)

Patents· 36 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties13%

G03GElectrography10%

G11BInformation storage based on relative movement between record carrier and transducer10%

G02BOptical elements, systems or apparatus8%

H04NPictorial communication, e.g. television6%

F21KNon-electric light sources using luminescence5%

F21VFunctional features or details of lighting devices or systems thereof5%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%

G06KGraphical data reading3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

9,995,475Illumination device2018 9,406,858'LED module'2016 9,239,151'Lamp'2016 9,097,391'Lamp'2015 7,898,915'Method and apparatus for determining recording powers for recording on an optical disc'2011 7,746,739'Writing power determining method and optical disc apparatus'2010 7,353,105'Engine control device for construction machinery'2008 7,222,710'Conveyance apparatus, conveyance system, and conveyance method'2007 6,715,369'Hybrid pipette'2004 6,637,656'Optical reading apparatus and optical reading method'2003 6,252,682'Document sensing device for an image forming apparatus'2001 5,929,436'Optical sensor including a first and second converging optical system for edge detection'1999 5,818,062'Original edge detecting system and optical sensor using distance detecting light-receiving means'1998 5,729,024'Original edge detecting system and optical sensor'1998 5,722,324'Ink trough apparatus for a printing press'1998 5,649,191'Information searching apparatus for managing and retrieving document data stored in a storage unit'1997 5,610,407'Optical image scanning apparatus detecting sheet size and displacement'1997 5,574,558'Optical encoding apparatus for measuring displacement of an object using diffraction gratings and twice-diffracted and twice-transmitted light'1996 5,479,274'Optical image scanning apparatus detecting sheet size and displacement'1995 5,457,550'Optical scanner unit having recursive optical system'1995 5,237,160'Bar code scanner having hologram'1993 5,107,477'Integrated optical pick-up device'1992 5,097,462'Integrated optical pick-up device'1992 5,064,258'Information reading device'1991 5,060,212'Integrated optical pick-up device'1991 4,935,911'Optical head device for recording and reproducing information'1990 4,877,522'Liquid supply apparatus'1989 4,738,498'Method of recordng a hologram'1988 4,625,569'Liquid injection device'1986 4,556,538'Chromatographic apparatus'1985 4,462,962'Liquid chromatographic flow cell'1984 4,420,257'Laser light scattering photometer'1983 4,370,943'Apparatus for painting containers'1983 4,217,223'Gel permeation chromatograph system'1980 4,146,303'Stereo-viewer and stereo-sheet to be used for the same'1979 4,011,015'Refractometric densitometer'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1986Patents assigned to TOYO SODA MFG CO LTD (5)· patent assignee history

1986–2001Based in Kanagawa, JP· patent location history

1988–2001Patents assigned to RICOH KK (15)· patent assignee history

1990–1999Based in Yokohama, JP· patent location history

1991–1997Based in Sagamihara, JP· patent location history

2010–2011Based in Kawasaki, JP· patent location history

2015–2016Patents assigned to EYE LIGHTING SYSTEMS CORP (3)· patent assignee history

2015–2018Patents assigned to IWASAKI ELECTRIC CO LTD (3)· patent assignee history

2015–2018Based in Konosu, JP· patent location history

2016Patents assigned to CITIZEN ELECTRONICS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	15	1988–2001
TOYO SODA MFG CO LTD	5	1977–1986
EYE LIGHTING SYSTEMS CORP	3	2015–2016
IWASAKI ELECTRIC CO LTD	3	2015–2018
CITIZEN ELECTRONICS	1	2016

Locations

Location	Patents	Span
Yokohama, JP	8	1990–1999
Sagamihara, JP	5	1991–1997
Konosu, JP	4	2015–2018
Kanagawa, JP	3	1986–2001
Kawasaki, JP	2	2010–2011