P

Inventor

SEKI CHIAKI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “SEKI CHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EISAI KAGAKU KK

7 patents
US5412124AMay 2, 1995

Preparation process of naphthoquinone derivative and intermediate for the preparation thereof

EISAI KAGAKU KK6 citations72
US5874611AFeb 23, 1999

Butenyl hydroquinone derivatives

EISAI KAGAKU KK2 citations61
US5686635ANov 11, 1997

Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives

EISAI KAGAKU KK1 citations61
US5677471AOct 14, 1997

Process for the preparation of quinone derivative

EISAI KAGAKU KK2 citations61
US5476955ADec 19, 1995

Process for the preparation of a quinone derivative

EISAI KAGAKU KK4 citations61
US5608092AMar 4, 1997

1,4,4a 5,8,9a -hexahydro-1α,4α-methanoan-thraquinone derivative(s)

EISAI KAGAKU KK1 citations51
US5565586AOct 15, 1996

Oxidative process for the preparation of allyl quinone derivatives

EISAI KAGAKU KK0 citations51

EISAI CO LTD

3 patents
US6020505AFeb 1, 2000

Process for the preparation of α-tocopherol

EISAI CO LTD12 citations71
US5886197AMar 23, 1999

Process for the preparation of α-tocopherol

EISAI CO LTD9 citations71
US5663376ASep 2, 1997

Process for the preparation of α-tocopherol

EISAI CO LTD11 citations71

HONDA MOTOR CO LTD

3 patents
US12152518B2Nov 26, 2024

Exhaust purification filter

HONDA MOTOR CO LTD0 citations61
US12092008B2Sep 17, 2024

Exhaust purification filter

HONDA MOTOR CO LTD0 citations61
US10415446B2Sep 17, 2019

Exhaust purifying filter

HONDA MOTOR CO LTD0 citations41