TI

Tetsuo Ishibashi

IC Idemitsu Petrochemical Co.: 1 patents #305 of 578Top 55%
RC Ricoh Seiki Company: 1 patents #7 of 16Top 45%
Overall (All Time): #2,281,235 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5551283 Atmosphere measuring device and flow sensor Junji Manaka 1996-09-03
5189198 Process for preparing unsaturated dicarboxylic acid diesters Takashi Kumazawa, Mitsugu Kanzawa 1993-02-23