P

Inventor

NAGATA SEIJI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “NAGATA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKUYAMA CORP

2 patents

IBM

1 patent

TOKUYAMA SODA KK

1 patent

NAGATA SEIJI

1 patent