Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TI

Tetsuya Ida — 37 Patents

Canon: 33 patents #1,586 of 19,416Top 9%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Panasonic: 1 patents #13,316 of 21,108Top 65%
Kozushima, JP: #23 of 222 inventorsTop 15%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Tetsuya Ida has been granted 37 US patents while listed as an inventor at Canon. The first was granted in 1997 and the most recent in July 2025. Tetsuya Ida ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Tetsuya Ida in Kozushima, JP.

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12362638 Radial flux synchronous machine and electric motor-generator system Mitsuru Izumi, Kota Yamaguchi, Shinji Takei 2025-07-15
9995991 Image pickup apparatus Tatsuhiko Inagaki 2018-06-12
9541852 Toner and two-component developer Kosuke Fukudome, Shuhei Moribe, Satoshi Mita, Kunihiko Nakamura, Noriyoshi Umeda +2 more 2017-01-10 $37,000
9285697 Toner Kosuke Fukudome, Shuhei Moribe, Naoki Okamoto, Kunihiko Nakamura, Noriyoshi Umeda +2 more 2016-03-15 $33,000
9261806 Toner Shuhei Moribe, Naoki Okamoto, Kosuke Fukudome, Satoshi Mita, Kunihiko Nakamura +2 more 2016-02-16 $30,000
9141012 Toner Shuhei Moribe, Kosuke Fukudome, Satoshi Mita, Kazuo Terauchi, Yojiro Hotta 2015-09-22 $32,000
9134637 Toner Yojiro Hotta, Shuhei Moribe, Kosuke Fukudome, Satoshi Mita, Kazuo Terauchi 2015-09-15 $26,000
9116448 Toner Kazuo Terauchi, Shuhei Moribe, Kosuke Fukudome, Satoshi Mita, Yojiro Hotta 2015-08-25 $30,000
9046800 Magnetic carrier Yojiro Hotta, Naoki Okamoto, Kazuo Terauchi, Ryuichiro Matsuo 2015-06-02 $45,000
9040216 Toner Kosuke Fukudome, Shuhei Moribe, Satoshi Mita, Kazuo Terauchi, Yojiro Hotta 2015-05-26 $33,000
8114562 Two-component developer, replenishing developer, and image-forming method Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Naoki Okamoto, Yojiro Hotta +5 more 2012-02-14 $167,000
7906262 Two-component developer, replenishing developer, and image-forming method Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Naoki Okamoto, Yojiro Hotta +5 more 2011-03-15 $119,000
7767370 Two-component developer, replenishing developer, and image-forming method Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Naoki Okamoto, Yojiro Hotta +5 more 2010-08-03 $252,000
7629100 Toner Naoki Okamoto, Koh Ishigami, Kazuo Terauchi, Yojiro Hotta, Noriyoshi Umeda +2 more 2009-12-08 $293,000
7611813 Toner and image forming method Takeshi Ootsu, Koh Ishigami, Naoki Okamoto, Nozomu Komatsu, Noriyoshi Umeda +4 more 2009-11-03 $396,000
7455947 Yellow toner, image forming apparatus and a method for producing a toner Yasuhiro Ichikawa, Wakashi Iida, Yojiro Hotta, Kazuhiko Hayami, Hirohide Tanikawa 2008-11-25 $287,000
7452647 Color toner Kazuhiko Hayami, Hirohide Tanikawa, Akira Hashimoto, Nozomu Komatsu, Hiroyuki Fujikawa 2008-11-18 $296,000
7452651 Carrier, two-component developer, and image forming method Yojiro Hotta, Wakashi Iida, Akira Hashimoto, Nozomu Komatsu, Yoshinobu Baba 2008-11-18 $296,000
7300733 Black toner with defined loss tangent Nobuyoshi Sugahara, Takaaki Kohtaki, Yasuhiro Ichikawa, Kazuhiko Hayami, Nozomu Komatsu 2007-11-27 $460,000
7288348 Color toner Kazuhiko Hayami, Nozomu Komatsu, Yasuhiro Ichikawa, Akira Hashimoto, Hirohide Tanikawa +5 more 2007-10-30 $458,000
7112395 Color toner Yasuhiro Ichikawa, Hirohide Tanikawa, Nozomu Komatsu 2006-09-26 $345,000
7022449 Black toner with defined loss tangent Nobuyoshi Sugahara, Takaaki Kohtaki, Yasuhiro Ichikawa, Kazuhiko Hayami, Nozomu Komatsu 2006-04-04 $279,000
6850374 Lens select device and portable information terminal Tetsurou Kajino, Jouji Wada, Takashi Kusakari, Takuya Imaoka 2005-02-01 $199,000
6808852 Toner and heat-fixing method Yojiro Hotta, Wakashi Iida, Takayuki Itakura, Nozomu Komatsu 2004-10-26 $233,000
6641967 Carrier for electrophotography, two component type developer, and image forming method Tsuyoshi Takiguchi, Kenji Okado 2003-11-04 $157,000