YI

Yutaka Ishikawa

Honda Motor Co.: 46 patents #78 of 21,052Top 1%
PE Pentax: 9 patents #192 of 761Top 30%
NE Nec: 6 patents #2,374 of 14,502Top 20%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
PE Pentax: 1 patents #238 of 396Top 65%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
MI Mitutoyo: 1 patents #455 of 721Top 65%
NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
NC Nikkiso Co.: 1 patents #168 of 287Top 60%
Overall (All Time): #24,358 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 51–75 of 77 patents

Patent #TitleCo-InventorsDate
7103987 Length measuring apparatus Kazuhiko Kodama 2006-09-12
7100720 Driving power control devices for hybrid vehicle 2006-09-05
6939125 Method for reducing nitrogen oxides in combustion gas from combustion furnace Masamichi Yokotani, Atsushi Tanigaki, Daisuke Hasegawa, Shinji Morohashi 2005-09-06
6846265 Hybrid vehicle Kazuhisa Yamamoto, Kazuhiko Kitano 2005-01-25
6650454 Multi-beam scanning optical system and image forming apparatus using the same Junya Azami, Manabu Kato 2003-11-18
5929343 Device for measuring powder flow rate and apparatus and method for supplying powder Masahiro Yamamoto, Hiroki Murai, Mitsuyoshi Kumata, Keiji Kanai 1999-07-27
5926680 Fixing unit Kasumi Yamamoto, Masatoshi Takano, Tomoyuki Nishikawa, Tsutomu Sato, Tsukasa Yanashima +1 more 1999-07-20
5887998 Tractor-feed unit 1999-03-30
5847747 Tractor unit 1998-12-08
5842100 Fixing unit Tsukasa Yanashima, Masatoshi Takano, Tomoyuki Nishikawa, Tsutomu Sato, Kasumi Yamamoto 1998-11-24
5839046 Continuous form printer Masatoshi Takano, Hiroyuki Yamaguchi, Hiroyuki Saito 1998-11-17
5713059 Paper jam detector for electrophotographic printer 1998-01-27
5617382 Optical information accessing system capable of reliable jump-back control Hideki Kobunaya, Yoshimori Yamasaki, Takayoshi Chiba 1997-04-01
5563854 Optical information accessing system capable of generating one sector initiation signal for each sector Hideki Kobunaya, Yoshimori Yamasaki, Takayoshi Chiba 1996-10-08
5549401 Continuous form printer Takeru Ito, Tsutomu Sato 1996-08-27
5535413 System including plurality of data driven processors connected to each other Shinichi Yoshida 1996-07-09
5521893 Data recording apparatus Yoshimori Yamasaki, Takayoshi Chiba, Hideki Kobunaya 1996-05-28
5516220 Continuous form printer having adjustable tractors Tsutomu Sato 1996-05-14
5515149 Sheet feed mechanism with speed feeders Tomoyuki Nishikawa 1996-05-07
5502699 Disc reproduction apparatus Yoshimori Yamasaki, Takayoshi Chiba, Hideki Kobunaya 1996-03-26
5454271 Method and apparatus for measuring powder flow rate Masahiro Yamamoto, Kenzo Yanagida 1995-10-03
5444416 Digital FM demodulation apparatus demodulating sampled digital FM modulated wave Shingo Nomura 1995-08-22
5379397 Disk storage control device including a sector number register and range detection circuitry for reading and writing to a range of detectors Noboru Sato 1995-01-03
5307471 Memory controller for sub-memory unit such as disk drives 1994-04-26
5281963 Information processing equipment having communication capabilities and which calculates load factor Masami Katagiri 1994-01-25