Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NI

Naoki Iso — 14 Patents

Hitachi: 10 patents #4,206 of 28,497Top 15%
HCHitachi Cable: 3 patents #224 of 1,086Top 25%
KAKao: 1 patents #1,961 of 3,221Top 65%
Overall (All Time): #348,610 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9905935 Antenna device Masahisa Kaneta, Nobuaki Kitano, Tomoyuki Ogawa, Tsukasa Fujishima 2018-02-27
9640860 Antenna device Nobuaki Kitano, Masahisa Kaneta, Tomoyuki Ogawa 2017-05-02
9583819 Antenna device including a phase shifter and a feeding portion configured as a triplate line with a center conductor Nobuaki Kitano, Tomoyuki Ogawa, Yoshiaki Ishigami 2017-02-28
9559418 Phase shifter having dielectric members inserted into a movable support frame Yoshiaki Ishigami, Masahisa Kaneta, Nobuaki Kitano, Tomoyuki Ogawa, Tsukasa Fujishima 2017-01-31
9548528 Antenna device Tomoyuki Ogawa, Nobuaki Kitano, Yoshiaki Ishigami 2017-01-17
9520629 Phase-shift circuit and antenna device Masahisa Kaneta, Nobuaki Kitano, Tomoyuki Ogawa, Yoshiaki Ishigami 2016-12-13
9515380 Phase shift/antenna circuit having a signal line with first and third regions for engaging dielectric members and a second region that does not engage the dielectric members Nobuaki Kitano, Tomoyuki Ogawa 2016-12-06
9496606 Transmission line and antenna device Nobuaki Kitano 2016-11-15
9431718 Antenna device including triplate line including central conductor and ground plates Nobuaki Kitano, Tomoyuki Ogawa, Yoshiaki Ishigami 2016-08-30
9293823 Antenna device Toshiyuki Ando, Nobuaki Kitano, Tomoyuki Ogawa, Yoshiaki Ishigami 2016-03-22
8542149 Antenna and electronic device equipped with same Haruyuki Watanabe, Morihiko Ikegaya, Tomoyuki Ogawa 2013-09-24
8508415 Antenna and electric device having the same Morihiko Ikegaya, Haruyuki Watanabe, Tomoyuki Ogawa 2013-08-13
8421694 Composite antenna device Haruyuki Watanabe, Morihiko Ikegaya, Tomoyuki Ogawa 2013-04-16
5756443 Detergent composition for hard surface Takumi Inoue, Kazunori Tsukuda 1998-05-26