Inventor

OTSUKI KAZUAKI

JP2 patents

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

OSAKA GAS CHEMICALS CO LTD

1 patent

US6881333B2Apr 19, 2005

Water purifier filtration portion, water purifier main body, and water purifier including the both

OSAKA GAS CHEMICALS CO LTD14 citations71

AD ALL LTD

1 patent

US5994261ANov 30, 1999

Method of producing activated carbon fiber

AD ALL LTD9 citations59