P

Inventor

KOBAYASHI TOHRU

JP105 patents
⚠️ This page may combine multiple inventors who share the name “KOBAYASHI TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

11 patents

TAKASAGO PERFUMERY CO LTD

10 patents
US6083651AJul 4, 2000

Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD54 citations96
US5942615AAug 24, 1999

Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD73 citations96
US6172264B1Jan 9, 2001

Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD19 citations92
US5989765ANov 23, 1999

Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD24 citations92
US5567560AOct 22, 1996

Triphenylamine derivative charge-transporting material containing electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD23 citations92
US6150065ANov 21, 2000

Electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD16 citations83
US5910610AJun 8, 1999

Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD13 citations82
US5882813AMar 16, 1999

Electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD15 citations74
US5736284AApr 7, 1998

Carbazole derivative charge transporting material using the same and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD10 citations74
US5573878ANov 12, 1996

Triphenylamine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor

TAKASAGO PERFUMERY CO LTD12 citations74

HITACHI LTD

7 patents

KAO CORP

7 patents

KOBAYASHI TOHRU

3 patents

TOSHIBA KK

2 patents

YAZAKI CORP

2 patents

FUJITSU LTD

2 patents

AJINOMOTO KK

2 patents

NISSAN MOTOR

2 patents

NITTO DENKO CORP

1 patent

NAKAYAMA YUJI

1 patent

Showing the top 50 of 105 patents by PatentIndex Score.