MI

Masaaki Igarashi

Canon: 20 patents #3,238 of 19,416Top 20%
SI Sumitomo Metal Industries: 20 patents #5 of 1,462Top 1%
Ricoh Company: 9 patents #2,462 of 9,818Top 30%
NM Nippon Steel & Sumitomo Metal: 7 patents #120 of 1,491Top 9%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #40,425 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
D409234 Computer printer Manabu Inoue, Naoki Tashiro 1999-05-04
5849111 Duplex stainless steel Kunio Kondo, Kazuhiro Ogawa, Masakatsu Ueda, Tomoki Mori 1998-12-15
5746843 Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures Kaori Miyata, Fujimitsu Masuyama, Nobuyoshi Komai, Tomomitsu Yokoyama 1998-05-05
D390597 Printer for electronic computer Hiroyuki Tokuda 1998-02-10
D382582 Laser beam printer Naoki Tashiro, Akira Katsuno, Hiroyuki Tokuda 1997-08-19
5591391 High chromium ferritic heat-resistant steel Hiroyuki Senba, Kaori Miyata 1997-01-07
5217684 Precipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistance Shiro Mukai, Yasutaka Okada, Akio Ikeda 1993-06-08
5000914 Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance Shiro Mukai, Yasutaka Okada, Akio Ikeda 1991-03-19
4652315 Precipitation-hardening nickel-base alloy and method of producing same Yasutaka Okada, Kunihiko Yoshikawa, Takeo Kudo 1987-03-24