Akira Ikeda

Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%

SE Seiko Epson: 15 patents #1,253 of 7,774Top 20%

Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%

MC Mimaki Engineering Co.: 12 patents #10 of 214Top 5%

FU Fujifilm: 9 patents #988 of 4,519Top 25%

ZE Zeon: 5 patents #139 of 734Top 20%

TC Toho Chemical Industry Co.: 4 patents #1 of 50Top 2%

TC Toyo Kohan Co.: 4 patents #63 of 295Top 25%

AK Asahi Kasei Kabushiki Kaisha: 4 patents #111 of 1,220Top 10%

SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%

HO Hoya: 2 patents #523 of 1,290Top 45%

UJ Unisia Jecs: 2 patents #148 of 395Top 40%

Casio Computer Co.: 2 patents #935 of 1,970Top 50%

SI Sika: 2 patents #7 of 35Top 20%

FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

HL Hoya Lens: 1 patents #8 of 23Top 35%

NC Nippon Mining & Metals Co.: 1 patents #80 of 166Top 50%

Yamaha Motor: 1 patents #1,283 of 2,310Top 60%

YA Yazaki: 1 patents #2,077 of 3,427Top 65%

YC Yoshino Gypsum Co.: 1 patents #49 of 106Top 50%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%

OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%

MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%

IC Ihara Chemical Industry Co.: 1 patents #166 of 263Top 65%

SA Sika Technology Ag: 1 patents #276 of 606Top 50%

Overall (All Time): #13,407 of 4,157,543Top 1%

104

Patents All Time

Issued Patents All Time

Showing 101–104 of 104 patents

Patent #	Title	Co-Inventors	Date
4299599	Water producing apparatus	Tetsu Takeyama, Kenkoku Azuma, Toshie Yamamoto, Shigeho Katsurada	1981-11-10
4256710	Process for deodorization	Kenkoku Azuma	1981-03-17
4217736	Method for automatically grinding lenses	Hayao Akaba, Masayoshi Lee	1980-08-19
4205641	Start control means for internal combustion engine	Tsunenori Yamasaki, Takehiro Takashima	1980-06-03