NK

Naoto Kijima

MC Mitsubishi Chemical: 48 patents #4 of 3,022Top 1%
KO Kasei Optonix: 4 patents #18 of 142Top 15%
Nichia: 4 patents #472 of 1,531Top 35%
CC Citizen Electronics Co.: 4 patents #74 of 252Top 30%
MK Mitsubishi Kasei: 3 patents #121 of 911Top 15%
Robert Bosch Gmbh: 2 patents #7,316 of 19,740Top 40%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Northville, MI: #13 of 1,240 inventorsTop 2%
🗺 Michigan: #638 of 86,293 inventorsTop 1%
Overall (All Time): #38,738 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
12263824 Vehicle wheel slip control device and method Shunsaku Ono 2025-04-01
12084609 Light emitting device Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2024-09-10
11993240 Controller and control method Shunsaku Ono 2024-05-28
11873435 Light emitting device Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2024-01-16
11643595 Wavelength conversion member, light-emitting device, and image display device Yuki Shiota, Keisho Yamashita, Shoji Hosokawa, Tomokazu Yoshida, Yohei Yamauchi 2023-05-09
11613698 Illumination device Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2023-03-28
10858582 Semiconductor light emitting device, backlight, color image display device and phosphor to be used for them Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2020-12-08
10011769 Semiconductor light emitting device, backlight, color image display device and phosphor to be used for them Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2018-07-03
9541238 Semiconductor light emitting device, backlight, color image display device and phosphor to be used for them Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2017-01-10
9120974 Phosphor and light-emitting device using same Byungchul Hong 2015-09-01
9028718 Light-emitting device, white light-emitting device, illuminator, and image display Yasuo Shimomura, Hideaki Kaneda, Kimiya Takeshita 2015-05-12
8992797 Phosphor and production method thereof, phosphor-containing composition, light emitting device, illuminating device, display, and nitrogen-containing compound Takatoshi Seto 2015-03-31
8890403 White light-emitting device and illumination device Hiroaki Sakuta, Yoshihito Satou, Byungchul Hong 2014-11-18
8884514 Phosphor composition, light-emitting device having the same, cured product having the same, lighting system having the same, and display having the same Yasuo Shimomura, Hideaki Kaneda 2014-11-11
8828272 Phosphor, method for producing phosphor, phosphor-containing composition, light-emitting device, lighting system and image display device Takatoshi Seto, Keiichi Seki, Ryuji Adachi, Hiroyasu Yamada, Tatsuya Inoue 2014-09-09
8801970 Europium- and strontium-based phosphor Hiromu Watanabe, Masumi Itou, Keiichi Seki, Hiroshi Wada, Motoyuki Shigeiwa +1 more 2014-08-12
8710741 Illuminating device Akeo Kasakura, Kazuhiko Kagawa 2014-04-29
8703019 Phosphor and use thereof Naoto Hirosaki, Takatoshi Seto 2014-04-22
8636920 Nitrogen-containing alloy and method for producing phosphor using same Hiromu Watanabe, Keiichi Seki 2014-01-28
8574459 Phosphor, method for producing phosphor, phosphor-containing composition, light-emitting device, lighting system and image display device Takatoshi Seto, Keiichi Seki, Ryuji Adachi, Hiroyasu Yamada, Tatsuya Inoue 2013-11-05
8491816 Semiconductor light emitting device, backlight, color image display device and phosphor to be used for them Byungchul Hong, Naoki Sako, Masahiko Yoshino, Takashi Hase, Fumiko Yoyasu +1 more 2013-07-23
8460580 Alloy powder for raw material of inorganic functional material and phosphor Hiromu Watanabe, Masumi Itou, Keiichi Seki, Hiroshi Wada, Motoyuki Shigeiwa +1 more 2013-06-11
8451401 Color image display device Shin Kawana, Hideaki Kaneda, Naoki Sako, Noriko Endou 2013-05-28
8427044 Light emitting device, and lighting system, image display using the same Yasuo Shimomura, Hideaki Kaneda 2013-04-23
8398890 Phosphor and production method thereof, phosphor-containing composition, light emitting device, illuminating device, display, and nitrogen-containing compound Takatoshi Seto 2013-03-19