P

Inventor

TSUNOMACHI HIROKI

US7 patents
⚠️ This page may combine multiple inventors who share the name “TSUNOMACHI HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANKO KAIHATSU KAGAKU KENK

3 patents
US4973720ANov 27, 1990

Process for the preparation of p-benzoquinone

SANKO KAIHATSU KAGAKU KENK25 citations89
US5248828ASep 28, 1993

Method for preparing sulfones

SANKO KAIHATSU KAGAKU KENK5 citations61
US5235084AAug 10, 1993

Method for preparing sulfones

SANKO KAIHATSU KAGAKU KENK1 citations50

SEIKISUI CHEMICAL CO LTD

3 patents
US5235024AAug 10, 1993

Polyester and an article made of the same

SEIKISUI CHEMICAL CO LTD10 citations72
US5191057AMar 2, 1993

Polyester and an article made of the same comprising a p-quaterphenyl derivative

SEIKISUI CHEMICAL CO LTD12 citations72
US5011879AApr 30, 1991

Engineering plastic composition and an article made of the same

SEIKISUI CHEMICAL CO LTD5 citations61

SEKISUI CHEMICAL CO LTD

1 patent
US5236988AAug 17, 1993

Engineering plastic composition and articles made of the same

SEKISUI CHEMICAL CO LTD24 citations90