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USPTO Patent Rankings Data through Dec 31, 2025
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Minoru Ishiharada — 22 Patents

Bridgestone: 22 patents #67 of 2,860Top 3%
Kodaira, JP: #75 of 1,073 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Minoru Ishiharada has been granted 22 US patents while listed as an inventor at Bridgestone. The first was granted in 1988 and the most recent in May 2011. Minoru Ishiharada ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Minoru Ishiharada in Kodaira, JP.

Patents per Year

Patents granted per year, 1988 to 2011Bar chart with a peak of 4 patents in 1997.peak 41988: 1 patents19881989: 1 patents1990: 1 patents19901994: 1 patents1996: 2 patents19961997: 4 patents1998: 2 patents19981999: 2 patents2000: 2 patents20002001: 2 patents2002: 2 patents20022003: 1 patents2011: 1 patents2011

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
D638419 Electronic information terminal 2011-05-24
6641290 Lamp device for a vehicle 2003-11-04
6488397 Linear luminous body and production method thereof and scanner Maki Masutani 2002-12-03
6364538 Reusable fitment for use in an optical fiber Shinichi Mizukubo 2002-04-02
6278827 Light transmission tubes Hideo Sugiyama, Masato Sugimachi, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more 2001-08-21
6169836 Optical transmission tube and method for making the same Hideo Sugiyama, Tatsuo Terahama, Yasuhiro Morimura, Itsuo Tanuma 2001-01-02
6104857 Line glower Hideo Sugiyama, Tatsuo Terahama 2000-08-15
6030108 Waterproof lighting apparatus Itsuo Tanuma, Kazuo Naito, Yasuhiko Matsumuro, Takao Aoki, Kiyoshi Koyama 2000-02-29
5982969 Optical transmission tube, making method, and linear illuminant system Hideo Sugiyama, Masato Sugimachi, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more 1999-11-09
5933560 Branched type light transmission system Atsushi Hotta, Itsuo Tanuma 1999-08-03
5744534 Light scattering material Itsuo Tanuma, Kazuo Naito 1998-04-28
5737471 Optical waveguide tube Hideo Sugiyama, Masato Sugimachi, Atsushi Hotta, Itsuo Tanuma, Torao Hashimoto 1998-04-07
5692088 Optical waveguide tube Hideo Sugiyama, Itsuo Tanuma 1997-11-25
5684913 Optical waveguide tube and method of making Hideo Sugiyama, Masato Sugimachi, Masato Yoshikawa, Itsuo Tanuma, Kazuo Naito +1 more 1997-11-04
5681611 Light guide and method for making Masato Yoshikawa, Itsuo Tanuma, Kazuo Naito, Masato Sugimachi, Hideo Sugiyama 1997-10-28
5638480 Optical waveguide hose Itsuo Tanuma, Kazuo Naito 1997-06-10
5557702 Light guide comprising a methacrylic or acrylic acid resin core and a fluorocarbon resin clad Masato Yoshikawa, Itsuo Tanuma, Kazuo Naito, Masato Sugimachi, Hideo Sugiyama 1996-09-17
5546493 Optical waveguide Tomoko Noguchi, Kazuo Naito, Tasuku Saito, Ryo Sakurai 1996-08-13
5333227 Optical waveguide hose Rikuhei Itou, Itsuo Tanuma, Kazuo Naito, Yasuhiko Matsumuro, Takao Aoki +1 more 1994-07-26
4937029 Method of producing a flexible optical wave guide Toshio Chikaraishi, Hiroshi Kaneda, Seisuke Tomita 1990-06-26
4830461 Pressure-sensitive sensors Toshio Chikaraishi, Hiroshi Kaneda, Seisuke Tomita 1989-05-16
4752525 Wave absorber and method for making same Tomio Oyachi, Hideo Tajima, Tatsuya Kanayama, Yasuhiro Ino 1988-06-21