MH

Makoto Hirakawa

SC Sumitomo Precision Products Co.: 2 patents #1 of 18Top 6%
Ricoh Company: 1 patents #815 of 1,810Top 50%
Overall (2017): #68,466 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9841584 Magnification optical system Hibiki Tatsuno, Kiichiro Nishina, Yasuyuki Shibayama, Takanobu Osaka 2017-12-12
9738519 Fuel reformer and fuel cell Shigeru Mizukawa 2017-08-22
9666890 Fuel cell Shigeru Mizukawa 2017-05-30