Hiroshi Shimomura

MM Mitsubishi Materials: 14 patents #44 of 1,543Top 3%

Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%

TC Toyo Seikan Co.: 8 patents #77 of 888Top 9%

MK Mitsubishi Kinzoku: 7 patents #6 of 280Top 3%

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

Yamaha Motor: 2 patents #855 of 2,310Top 40%

TC Tokan Material Technology Co.: 1 patents #2 of 13Top 20%

TK Toshiba Tec Kabushiki Kaisha: 1 patents #1,144 of 1,664Top 70%

MT Mitsubishi Materials Kobe Tools: 1 patents #12 of 15Top 80%

Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

NC Nippon Closures Co.: 1 patents #21 of 56Top 40%

Overall (All Time): #44,118 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–56 of 56 patents

Patent #	Title	Co-Inventors	Date
4699549	Insert rotary cutter	Sueji Takaya, Kazuo Iizuka	1987-10-13
4687383	Insert rotary cutter	Tatsuo Arai	1987-08-18
4645384	Insert cutter	Katsuyoshi Karino, Kazuo Iizuka	1987-02-24
4616962	Cutter insert	Hiroyuki Ushijima, Masaaki Nakayama	1986-10-14
4529339	Cutter insert	Tatsuo Arai	1985-07-16
4511293	Insert cutter	Tatsuo Arai	1985-04-16