YI

Yasuaki Ishikawa

NE Nec: 7 patents #2,006 of 14,502Top 15%
NI Nikon: 5 patents #754 of 2,493Top 35%
HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
AC Ajinomoto Co.: 1 patents #1,164 of 2,190Top 55%
Merck: 1 patents #5,419 of 9,382Top 60%
KS Kabushiki Kaisha Sankei: 1 patents #5 of 13Top 40%
NC Nikon Vision Co.: 1 patents #28 of 50Top 60%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #207,111 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11119330 Reticle, reticle unit, rifle scope, and optical apparatus Koichi Watanabe, Jun Kawakami, Katsunori Tomita, Satoru Okazaki 2021-09-14
10916661 Thin film transistor substrate provided with protective film and method for producing same Yukiharu Uraoka, Naofumi Yoshida, Katsuto Taniguchi, Toshiaki Nonaka 2021-02-09
9187570 Fusion protein Ippei INOUE, Ichiro Yamashita, Bin Zheng, Hisashi Yasueda, Yukiharu Uraoka 2015-11-17
8989076 Mobile communication system and mobile communication method 2015-03-24
8891433 Mobile communication system and operation method in mobile communication 2014-11-18
8450139 Method for manufacturing photoelectric conversion device Shinya Honda, Makoto Higashikawa 2013-05-28
8138499 Stacked photoelectric conversion device Yoshiyuki Nasuno 2012-03-20
7915612 Photoelectric conversion device and method of producing the same Yoshiyuki Nasuno, Takanori Nakano 2011-03-29
7782819 Mobile communication system, radio base station, operation control method and program thereof 2010-08-24
7263081 Handover process free of short-break and packet loss in CDMA mobile communication system on IP network 2007-08-28
7239187 Reset circuit and digital communication apparatus 2007-07-03
6747493 Power-on reset circuit 2004-06-08
6653874 Clock producing circuit capable of suppressing phase shift at a time of change from active clock to standby clock 2003-11-25
D475758 Reticle pattern for a gun scope 2003-06-10
6574056 Eye cup moving mechanism of optical device Hiroharu Sakoda 2003-06-03
6142577 Hydraulic muck handling system for tunnel boring machine Minoru Tayama, Kiyoshi Tsuchiya, Masaaki Miki, Ryoichi Arita, Kazunori Ueda 2000-11-07
5777785 Binoculars 1998-07-07
5719712 Clicking device having a rotary member with teeth engageable with a plurality of fixed projections 1998-02-17
4735523 Vibratory compaction working machine Hirokazu Miyagawa, Shiro Murakami, Hiroshi Koma, Yutaka Ikeda, Yoshifumi Itou 1988-04-05
4448269 Cutter head for pit-boring machine Shuichi Ajiro, Masami Wada 1984-05-15
4187085 Treating facility for sintering waste gas Teiji Shibuya, Masayuki Saito, Kiyoharu Ueda 1980-02-05