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USPTO Patent Rankings Data through Dec 31, 2025
MI

Mitsuru Ichikawa — 27 Patents

KAKaneka: 10 patents #90 of 1,525Top 6%
Sony: 7 patents #6,060 of 25,231Top 25%
Ricoh Company: 5 patents #3,665 of 9,818Top 40%
PEPentax: 4 patents #304 of 761Top 40%
RERicoh Elemex: 1 patents #26 of 49Top 55%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Mitsuru Ichikawa has been granted 27 US patents while listed as an inventor at Kaneka. The first was granted in 1991 and the most recent in January 2020. Mitsuru Ichikawa ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Mitsuru Ichikawa in Settsu, MH, JP.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10529882 Method for manufacturing multijunction photoelectric conversion device Hisashi Uzu, Toru Terashita, Kenji Yamamoto 2020-01-07
10333016 Multi-junction photoelectric conversion device and photoelectric conversion module Hisashi Uzu, Masashi Hino, Ryota Mishima, Tomomi Meguro, Kenji Yamamoto 2019-06-25
10177705 Composite solar cell, solar cell module, and concentrating solar cell Hisashi Uzu, Masashi Hino, Tomomi Meguro, Kenji Yamamoto 2019-01-08
9893228 Method for manufacturing compound semiconductor solar cell Masashi Hino, Tomomi Meguro 2018-02-13
9166089 Thin film solar cell module Kunta Yoshikawa, Kenji Yamamoto 2015-10-20
8691613 Method for manufacturing photoelectric conversion device Masashi Yoshimi, Toshihiko Uto, Kenji Yamamoto 2014-04-08
8530267 Silicon-based thin film solar cell and method for manufacturing same Kunta Yoshikawa, Kenji Yamamoto 2013-09-10
8518833 Transparent electroconductive oxide layer and photoelectric converter using the same Fumiyasu Sezaki, Kenji Yamamoto 2013-08-27
8490960 Sheet processing apparatus and image forming system Kazuya Murata, Toshikazu Sato 2013-07-23
8410355 Thin film photoelectric conversion device having a stacked transparent oxide and carbon intermediate layer Tomomi Meguro, Fumiyasu Sezaki, Kunta Yoshikawa, Takashi Kuchiyama, Kenji Yamamoto 2013-04-02
8265479 Camera module Satoshi Imai, Fujio Kanai, Atsushi Horidan, Takahiro Okabe 2012-09-11 $98,000
7990635 Camera module Takahiro Okabe, Yasutaka Takahashi, Noritoshi Eguchi, Satoshi Imai 2011-08-02 $192,000
7978969 Camera module Atsushi Horidan, Satoshi Imai, Takahiro Okabe, Fujio Kanai 2011-07-12 $268,000
7864461 Camera module Satoru Yoshioka, Takahiro Okabe, Masashi Nishimoto, Yasutaka Takahashi, Satoshi Imai 2011-01-04 $399,000
7699302 Sheet handling apparatus capable of effectively performing sheet processing, and an image forming apparatus using the same 2010-04-20 $131,000
7550665 Stacked photoelectric converter Toshiaki Sasaki, Yohei Koi, Kenji Yamamoto, Masashi Yoshimi 2009-06-23
7486882 Lens unit and imaging apparatus Atsushi Okita, Takatoshi Uneme, Fujio Kanai 2009-02-03 $584,000
7433136 Lens unit and imaging device Takatoshi Uneme, Atsushi Okita, Fujio Kanai 2008-10-07 $513,000
6189602 Electronic device with improved heat dissipation Makoto Tanahashi, Tsutomu Asawa 2001-02-20 $1,620,000
6186018 Binocular with rotation transmitting system 2001-02-13
6072626 Binocular with rotation transmitting system 2000-06-06
6020998 Binocular with rotation transmitting system 2000-02-01
5973830 Binocular with interpupillary adjustment mechanism 1999-10-26
5746162 Sheet processing apparatus and sheet processing method Masatoshi Hosoi, Yoshihide Sugiyama, Norihisa Masamura 1998-05-05
5524873 Finisher for image forming apparatus Masatoshi Hosoi, Tetsuji Watanbe, Yuichi Fujii, Yuji Ueno, Nobuyoshi Seki 1996-06-11