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

Jun Kawakami — 25 Patents

NINikon: 6 patents #659 of 2,493Top 30%
TLTakeda Pharmaceutical Company Limited: 5 patents #285 of 1,531Top 20%
TSToshiba Medical Systems: 4 patents #311 of 1,088Top 30%
Kabushiki Kaisha Toshiba: 3 patents #8,069 of 21,451Top 40%
Toyota: 3 patents #8,470 of 26,838Top 35%
TOTokuyama: 2 patents #163 of 562Top 30%
Tdk: 1 patents #2,493 of 3,796Top 70%
NCNikon Vision Co.: 1 patents #28 of 50Top 60%
TITakeda Chemical Industries: 1 patents #745 of 1,420Top 55%
NCNagase Chemtex: 1 patents #29 of 74Top 40%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
Anjo, JP: #114 of 1,609 inventorsTop 8%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Jun Kawakami has been granted 25 US patents while listed as an inventor at Nikon. The first was granted in 1998 and the most recent in May 2025. Jun Kawakami ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Jun Kawakami in Anjo, JP.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12316194 Rotary electric machine Takashi Matsumoto 2025-05-27
12129249 Method for producing optically active compound Sayuri Hirano, Yoshiyuki Takeda, Koji Nakamoto, Motoki Ikeuchi, Masato Kitayama +1 more 2024-10-29
11236719 Internal combustion engine Koji Kitano 2022-02-01 $1,087,000
11119330 Reticle, reticle unit, rifle scope, and optical apparatus Koichi Watanabe, Katsunori Tomita, Yasuaki Ishikawa, Satoru Okazaki 2021-09-14
10988469 Method for producing optically active compound Sayuri Hirano, Yoshiyuki Takeda, Koji Nakamoto, Motoki Ikeuchi, Masato Kitayama +1 more 2021-04-27
10966656 Electric conductive fiber structure, electrode member, and method of producing electric conductive fiber structure Noriko Nagai, Keiji Takeda, Hiroshi Nagata, Tatsuya Ohori 2021-04-06
10883441 Control system for diesel engine 2021-01-05 $559,000
9922268 Image interpretation report creating apparatus and image interpretation report creating system Taisuke IWAMURA, Kousuke Sakaue, Masashi Yoshida, Shigeyuki Ishii, Satoshi Ikeda +8 more 2018-03-20
8981147 Diphosphine ligand and transition metal complex using the same Mitsuhisa Yamano, Mitsutaka Goto, Shinji Kawaguchi, Masatoshi Yamada 2015-03-17
8877990 Process of making a chlorinated hydrocarbon Tadahiro Fukuju, Kikuo Yamamoto, Masayuki Moriwaki, Yasutaka Komatsu, Akihiro Saito +2 more 2014-11-04
8817490 DC-DC converter Eiji Takegami, Takeshi Kamono 2014-08-26
8691718 Diphosphine ligand and transition metal complex using the same Mitsuhisa Yamano, Mitsutaka Goto, Shinji Kawaguchi, Masatoshi Yamada 2014-04-08
8586762 Process for producing fused imidazole compound, reformatsky reagent in stable form, and process for producing the same Shigeru Nuwa, Miki Shokyo 2013-11-19
8330717 Medical image interpreting apparatus and cursor-moving method Kenichi Niwa, Maki Minakuchi, Takashi Kondo, Takashi Masuzawa 2012-12-11
8304589 Process of making a chlorinated hydrocarbon Tadahiro Fukuju, Kikuo Yamamoto, Masayuki Moriwaki, Yasutaka Komatsu, Akihiro Saito +2 more 2012-11-06
8188971 Medical image interpreting apparatus and cursor-moving method Kenichi Niwa, Maki Minakuchi, Takashi Kondo, Takashi Masuzawa 2012-05-29
8184878 Image diagnosis support system and image diagnosis support method Muneyasu Kazuno, Kenichi Niwa, Koichi Terai 2012-05-22
8093403 Process for producing fused imidazole compound, reformatsky reagent in stable form, and process for producing the same Shigeru Nuwa, Shokyo Miki 2012-01-10
7662974 Process for producing fused imidazole compound, reformatsky reagent in stable form, and process for producing the same Koji Nakamoto, Shigeru Nuwa, Syoji Handa, Shokyo Miki 2010-02-16
6963408 Method and apparatus for point diffraction interferometry Mikihiko Ishii, Hisashi Shiozawa, Yasushi Fukutomi, Yutaka Ichihara 2005-11-08
6940605 Method for measuring interference and apparatus for measuring interference Hisashi Shiozawa 2005-09-06
6713632 Process for the preparation of imidazole derivatives 2004-03-30
5767971 Apparatus for measuring refractive index of medium using light, displacement measuring system using the same apparatus, and direction-of-polarization rotating unit Hitoshi Kawai, Akira Ishida, Kouichi Tsukihara 1998-06-16
5757489 Interferometric apparatus for measuring a physical value 1998-05-26
5748315 Optical interference measuring apparatus and method for measuring displacement of an object having an optical path separating system Hitohsi Kawai, Kouichi Tsukihara 1998-05-05