P

Inventor

DOI TAKAO

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

ASAHI GLASS CO LTD

14 patents

TOSOH CORP

3 patents

CHUBU CHELEST CO LTD

1 patent

CHELEST CORP

1 patent

CHELEST CORP AND CHUBU CHELEST

1 patent

KYOTO CERAMIC

1 patent