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Inventor

Naoki Tajima

Inventor
Hachioji, JP

Overview

31→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 31 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus17%
G03GElectrography15%
B41JTypewriters12%
B22DCasting of metals10%
H04NPictorial communication, e.g. television8%
B21BRolling of metal7%
C22CAlloys7%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents2%
B62DMotor vehicles2%
C23CCoating metallic material2%
PatentTitleYear
10,612,499Air intake apparatus202010,571,824Optical writing device and image forming apparatus202010,345,732Image writing device, image forming apparatus, and pitch unevenness suppressing method201910,207,316Method for continuous-casting slab201910,189,077Method for continuous-casting slab201910,183,325Method for continuous-casting slab201910,126,673Scanning optical apparatus and image forming apparatus201810,076,783Method for continuous-casting slab20189,978,619Substrate processing apparatus, substrate processing method and storage medium20189,625,725'Wearable computer'20179,399,253'Method for continuously casting slab for heavy gauge steel plate'20169,188,493'Method and apparatus for measuring surface temperature of cast slab'20159,041,760'Optical print head and image forming apparatus'20158,963,979'Fixing structure for fixing optical element, laser scanning apparatus, image forming apparatus, and method for fixing optical element'20158,879,134'Laser scanning optical device'20148,682,229'Developing device with bias voltage and image forming apparatus'20148,666,294'Carrier removing device and image forming apparatus'20148,401,439'Image forming apparatus'20137,941,729'Data storage device and error processing method in its read processing'20117,009,629'Image forming apparatus with optical adjustors'20066,982,736'Image forming apparatus with optical adjusters'20066,924,830'Image forming apparatus'20056,836,277'Sensor attachment position determining method, image forming apparatus, and image forming method'20046,677,973'Image forming apparatus'20046,600,504'Image forming apparatus having light beam adjusting mechanism'20036,512,533'Image forming apparatus'20036,249,305'Color image forming apparatus'20016,059,922'Plasma processing apparatus and a plasma processing method'20005,937,267'System, device and method for quantification of polychlorobiphenyls'19995,319,428'Color image forming apparatus'19945,060,743'Four-wheel steering system for automotive vehicles'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2006Patents assigned to KONISHIROKU PHOTO IND (8)· patent assignee history
1994–2020Based in Hachioji, JP· patent location history
1999–2000Based in Zushi, JP· patent location history
2001–2015Based in Tokyo, JP· patent location history
2013–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (4)· patent assignee history
2013–2014Patents assigned to TAJIMA NAOKI (4)· patent assignee history
2013–2015Based in Sagamihara, JP· patent location history
2015–2020Patents assigned to KONICA MINOLTA INC (6)· patent assignee history
2015–2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (6)· patent assignee history
2016–2019Based in Kashima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND81994–2006
KONICA MINOLTA INC62015–2020
NIPPON STEEL & SUMITOMO METAL CORP62015–2019
KONICA MINOLTA BUSINESS TECH42013–2014
TAJIMA NAOKIself42013–2014
Locations
LocationPatentsSpan
Hachioji, JP91994–2020
Sagamihara, JP62013–2015
Kashima, JP52016–2019
Tokyo, JP52001–2015
Zushi, JP21999–2000