HI

Hiroyuki Ishihara

PA Panasonic: 15 patents #1,528 of 21,108Top 8%
Yamaha Motor: 5 patents #351 of 2,310Top 20%
Pioneer Electronic: 5 patents #387 of 1,840Top 25%
TK Terumo Kabushiki Kaisha: 4 patents #338 of 1,558Top 25%
TL Tokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%
Pioneer: 3 patents #574 of 1,730Top 35%
NE Nec: 3 patents #4,195 of 14,502Top 30%
DA Daishinku: 3 patents #16 of 68Top 25%
JT Japan Science And Technology: 2 patents #95 of 836Top 15%
NC Nippon Electric Co.: 2 patents #117 of 792Top 15%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
TL Tokyo Electron Yamanashi Limited: 1 patents #52 of 138Top 40%
YC Yamaha Motor Co.: 1 patents #6 of 83Top 8%
AD Advanced Display: 1 patents #86 of 147Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
EC Eagle Industry Co.: 1 patents #172 of 314Top 55%
EC Eagleburgmann Japan Co.: 1 patents #8 of 18Top 45%
IC I-Pro Co.: 1 patents #38 of 101Top 40%
KT Kyushu Institute Of Technology: 1 patents #75 of 237Top 35%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
MK Murata Kikai: 1 patents #251 of 454Top 60%
NC Nippon Soda Co.: 1 patents #348 of 648Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
PV Pioneer Video: 1 patents #67 of 139Top 50%
Overall (All Time): #41,307 of 4,157,543Top 1%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
5255323 Digital signal processing device and audio apparatus using the same Kazunaga Ida, Kazuo Watanabe, Soichi Toyama, Makio Yamaki 1993-10-19
5218710 Audio signal processing system having independent and distinct data buses for concurrently transferring audio signal data to provide acoustic control Makio Yamaki, Norimichi Katsumura, Toshiyuki Naoe, Yukio Matsumoto, Kazuhiro Hayashi +1 more 1993-06-08
5208825 Random polarization gas laser tube 1993-05-04
5091951 Audio signal data processing system Kazunaga Ida, Makio Yamaki, Yukio Matsumoto, Toshiyuki Naoe, Hideyuki Terauchi 1992-02-25
5065433 Audio signal data processing system Kazunaga Ida, Tatsushi Iizuka, Makio Yamaki, Yukio Matsumoto, Kazuhiro Hayashi 1991-11-12
4947403 Gas laser tube having a supported cathode Makoto Kinoshita 1990-08-07
4531236 Microwave integrated circuit frequency converter 1985-07-23
4355420 Frequency converter capable of eliminating local power leak 1982-10-19