Mamoru Shoji

Sumitomo Electric Industries: 77 patents #60 of 21,551Top 1%

PA Panasonic: 63 patents #135 of 21,108Top 1%

MC Mitsubishi Chemical: 5 patents #463 of 3,022Top 20%

MK Mitsubishi Kasei: 4 patents #77 of 911Top 9%

MI Mitsubishi Chemical Functional Products, Inc.,: 2 patents #3 of 13Top 25%

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%

NC Nippon Pillar Packing Co.: 1 patents #101 of 218Top 50%

MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%

📍 Joetsu, JP: #6 of 239 inventorsTop 3%

Overall (All Time): #6,056 of 4,157,543Top 1%

152

Patents All Time

Issued Patents All Time

Showing 151–152 of 152 patents

Patent #	Title	Co-Inventors	Date
4931239	Alumina fiber structure and process for its production	Hisataka Hosoi, Hozumi Endo, Tatsuo Ando	1990-06-05
4752515	Alumina fiber structure	Hisataka Hosoi, Hozumi Endo, Tatsuo Ando	1988-06-21