Organic compound, field element, organic light-emitting element, display apparatus, image information-processing apparatus, lighting apparatus, image-forming apparatus, and exposure apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9882148
SERIAL NO

15321067

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A bibenzo[d]imidazolidene compound inert to oxygen is provided. A 1,1′,3,3′-tetraphenyl-2,2′-bibenzo[d]imidazolidene compound is represented by general formula (1). In formula (1), R1 to R28 are each independently selected from a hydrogen atom and a substituent. The substituent is any of a halogen atom, an alkyl group containing 1 or more and 8 or less carbon atoms, and a substituted or unsubstituted aryl group. At least one of R1 to R28 is the substituent.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itabashi, Masumi Yamato, JP 34 85
Kamatani, Jun Tokyo, JP 287 4817
Kosuge, Tetsuya Yokohama, JP 56 314
Miyashita, Hirokazu Tokyo, JP 117 218
Nishide, Yosuke Kawasaki, JP 124 285
Shiobara, Satoru Funabashi, JP 65 512
Takahashi, Tetsuo Kawasaki, JP 190 2438
Yamada, Naoki Inagi, JP 428 4961

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 30, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00