AY

Akihiko Yoshiya

MC Mitsubishi Chemical: 8 patents #161 of 3,022Top 6%
MK Mitsubishi Kasei: 2 patents #194 of 911Top 25%
Overall (All Time): #525,344 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6303096 Pitch based carbon fibers Iwao Yamamoto, Toshihiro Fukagawa, Mika Muroi 2001-10-16
6197421 Carbon fiber-reinforced resin composition Iwao Yamamoto, Tadahiro Nishimoto 2001-03-06
6120894 Short carbon fiber bundling mass, process for producing the same and fiber-reinforced resin composition Iwao Yamamoto, Tadahiro Nishimoto 2000-09-19
6110847 Carbon fiber woven fabric Iwao Yamamoto, Akira Nakagoshi 2000-08-29
5840265 Carbon fibers and process for their production Iwao Yamamoto 1998-11-24
5721308 Pitch based carbon fiber and process for producing the same Iwao Yamamoto, Akira Nakagoshi, Kazuo Shirosaki 1998-02-24
5643546 Pitch-type carbon fibers and process for their production Iwao Yamamoto, Hiroyuki Aikyo, Kazuo Shirosaki 1997-07-01
5601794 Pitch type carbon fibers and process for their production Iwao Yamamoto, Hiroyuki Aikyo, Kazuo Shirosaki 1997-02-11
5348719 Process for producing carbon fibers having high strand strength Iwao Yamamoto, Akira Nakagoshi 1994-09-20
5213677 Spinning pitch for carbon fibers and process for its production Iwao Yamamoto, Ryuichi Hara, Toshiyuki Tajiri, Kazuo Shirosaki 1993-05-25