MH

Masao Hirayama

OC Osaka Gas Co.: 2 patents #4 of 85Top 5%
Overall (1994): #26,003 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5310593 Adsorbent Soichiro Tsujimoto, Katsuya Kibata, Yoshinobu Otake, Harushi Okabe 1994-05-10
5308703 Adsorbent having good heat conductivity Soichiro Tsujimoto, Katsuya Kitaba, Yoshinobu Otake 1994-05-03