HO

Hirofumi Ohtsuka

Mitsubishi Electric: 2 patents #336 of 2,499Top 15%
OC Osaka Gas Co.: 1 patents #1 of 34Top 3%
RE Ryoden Semiconductor System Engineering: 1 patents #16 of 52Top 35%
Overall (2003): #29,565 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6602481 Catalyst for removing hydrocarbons from exhaust gas and method for clarification of exhaust gas Takeshi Tabata, Takatoshi Nakahira, Masataka Masuda, Takenori Hirano 2003-08-05
6577972 Sampling inspection managing system Taichi Yanaru, Masataka Okabe 2003-06-10
6535778 Process control method and process control apparatus Masataka Okabe, Taichi Yanaru 2003-03-18