Inventor

YOSHIDA KEI

JP67 patents

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

YOSHIDA KEI

IDEMITSU KOSAN CO

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same

Organic electroluminescent element and electronic device

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Organic electroluminescence device and electronic device

Organic electroluminescent element, material for organic electroluminescent elements, and electronic device

Organic electroluminescent element, electronic device and compound

Compound, organic electroluminescent element and electronic device

Ladder compound, and organic electroluminescent element using same

Organic electroluminescent element, material for organic electroluminescent elements, and electronic device

Organic electroluminescent element and electronic device

Compound, composition, organic electroluminescent element and electronic device

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Organic electroluminescent element and electronic device

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Organic electroluminescence device and electronic device

Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device

Organic electroluminescent element, and electronic apparatus

Specifically substituted ladder type compounds for organic light emitting devices

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

Organic electroluminescence element and electronic device

YOSHIDA KEI

Fluorene-containing aromatic compound, material for organic electroluminescent element, and organic electroluminescent element using same

Amide derivatives, process for preparation thereof and use thereof as insecticide

Nitrogen-containing heteroaromatic ring compound

Insecticide for agricultural or horticultural use and method of use thereof

Amide derivatives, process for preparation thereof and use thereof as insecticide

Insecticide for agricultural or horticultural use and method of use thereof

INOUE TETSUYA

Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same

Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same

Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same

Biscarbazole derivative, material for organic electroluminescence device and organic electroluminescence device using the same

MITSUI CHEMICALS INC

Amide derivatives, process for preparation thereof and use thereof as insecticide

Amide derivatives, process for preparation thereof and use thereof as insecticide

Amide derivatives, process for preparation thereof and use thereof as insecticide

CHIKURA KOGYO KK

Automatic door operator for swing doors

Door swinging device for automatically swinging doors

KYOWA KIRIN CO LTD

Compound with anticancer activity

Compound with anticancer activity

MITSUBISHI FUSO TRUCK & BUS

Mounting structure of electronic apparatus in vehicle

KONINKL PHILIPS ELECTRONICS NV

Reflection type color liquid crystal display device having sub-pixels for increasing luminance, and a light scattering film including color filters for the sub-pixels and manufacturing method thereof

KAI AKIYOSHI

Amide derivative and insecticide containing the same

MATSUMOTO TOSHIKI

Organic EL multi-color light-emitting device

BELL TELEPHONE LABOR INC

Gold electroplating process

LUCENT TECHNOLOGIES INC

Trench etching in an integrated-circuit semiconductor device

KATO TOMOKI

Polycyclic compounds and organic electroluminescence device employing the same

YKK CORP

Cord end stopper

TPO HONG KONG HOLDING LTD

Reflection type color liquid crystal display device having sub-pixels for increasing luminance, and a light scattering film including color filters for the sub-pixels and manufacturing method thereof

NITTO DENKO CORP

Mask

MIZUKI YUMIKO

Material for organic electroluminescence device and organic electroluminescence device