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Home › Denso › Junichi Ishikawa

JI

Junichi Ishikawa — 53 Patents

Denso: 15 patents #687 of 11,792Top 6%

Kubota: 10 patents #172 of 2,059Top 9%

TKToshiba Tec Kabushiki Kaisha: 9 patents #340 of 1,664Top 25%

Kabushiki Kaisha Toshiba: 8 patents #3,831 of 21,451Top 20%

SCSumitomo Chemical: 6 patents #802 of 4,033Top 20%

FLFujitsu Vlsi Limited: 2 patents #41 of 256Top 20%

KAKao: 2 patents #1,388 of 3,221Top 45%

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%

MCMitsui Chemicals: 2 patents #873 of 2,279Top 40%

DCDu Pont-Mitsui Fluorochemicals Co.: 1 patents #25 of 54Top 50%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

NINgk Insulators: 1 patents #1,271 of 2,083Top 65%

SESeiko Epson: 1 patents #5,551 of 7,774Top 75%

ICI-Pro Co.: 1 patents #38 of 101Top 40%

Sakai, JP: #86 of 2,905 inventorsTop 3%

Overall (All Time): #48,528 of 4,157,543Top 2%

53 Patents All Time

Junichi Ishikawa has been granted 53 US patents while listed as an inventor at Denso. The first was granted in 1991 and the most recent in September 2025. Junichi Ishikawa ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Junichi Ishikawa in Sakai, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12427824	Work vehicle	Yusuke Ida, Minoru Hiraoka, Shunya TAKASE	2025-09-30
12397867	Work machine	Kaichiro YOSHII, Minoru Hiraoka, Yukifumi Yamanaka, Yusuke Ida, Yuhei HAZAWA +6 more	2025-08-26
12065806	Work vehicle	Takuya TAMAI, Minoru Hiraoka	2024-08-20
11926184	Riding work vehicle	Minoru Hiraoka, Shinsuke Kotani, Ryota Imanishi	2024-03-12
11780813	Chlorobenzene compound production method	Tohru Inoue, Takayuki Wakamatsu, Miyuki Iguchi	2023-10-10	$20,947,000
11767071	Work vehicle	Minoru Hiraoka	2023-09-26
11760724	Pyridone compound production method	Takayuki Wakamatsu, Miyuki Iguchi, Tohru Inoue	2023-09-19	$20,015,000
11676439	Face authentication system and face authentication method	Takeshi WAKAKO, Eisaku Miyata, Akihiko Fukada, Koji Kawamoto, Masashige TSUNENO +1 more	2023-06-13
11524735	Work vehicle	Minoru Hiraoka	2022-12-13
11498632	Work vehicle	Minoru Hiraoka	2022-11-15
11260922	Work vehicle	Minoru Hiraoka	2022-03-01
11235824	Work vehicle	Minoru Hiraoka	2022-02-01
11040589	Work vehicle	Minoru Hiraoka	2021-06-22
10527498	Sensor device	Kiyoshi Otsuka, Hirotaka KUROZAKI	2020-01-07
10160722	Method for producing perfluoroalkanesulfonyl phenol compounds	Koji Hagiya, Mitsunobu Kawamura	2018-12-25
10151992	Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particle	Takashi Urabe, Taishi Takano, Maiko Yoshida	2018-12-11
10093617	Method for producing 2-amino-4-substituted phenol	Yuta Honda	2018-10-09
10048607	Toner having toner particles including a colorant and particles not including a colorant	Takashi Urabe, Taishi Takano, Satoshi Araki, Maiko Yoshida	2018-08-14
9964882	Toner containing crystalline polyester resin and method of manufacturing the same	Takashi Urabe, Taishi Takano, Satoshi Araki, Maiko Yoshida	2018-05-08
9811015	Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particle	Takashi Urabe, Taishi Takano, Maiko Yoshida	2017-11-07
9803158	Aromatic printed object and manufacture method for the same	Maiko Yoshida, Taishi Takano, Takashi Urabe	2017-10-31
9785066	Toner including microcapsules that contain a fragrant material	Maiko Yoshida, Satoshi Araki, Taishi Takano, Takashi Urabe	2017-10-10
9639012	Aromatic printed object and manufacture method for the same	Maiko Yoshida, Taishi Takano, Takashi Urabe	2017-05-02
9575427	Toner containing crystalline polyester resin and method of manufacturing the same	Takashi Urabe, Taishi Takano, Satoshi Araki, Maiko Yoshida	2017-02-21
9528930	Adhering matter determination device	Jun Tarui, Kiyoshi Otsuka, Makiko Sugiura, Takahiko Yoshida, Tomohide ARIKI	2016-12-27