KH

Kazuyuki Hayashi

TK Toda Kogyo: 81 patents #1 of 328Top 1%
AC Asahi Glass Co.: 22 patents #39 of 2,251Top 2%
FU Fujikura: 9 patents #115 of 1,407Top 9%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
AC Ajinomoto Co.: 5 patents #360 of 2,190Top 20%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
NE Nec: 2 patents #5,510 of 14,502Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
TI Toyota Industries: 1 patents #505 of 955Top 55%
Overall (All Time): #8,260 of 4,157,543Top 1%
131
Patents All Time

Issued Patents All Time

Showing 1–25 of 131 patents

Patent #TitleCo-InventorsDate
12293033 Display antenna Ryota NIHEI, Junichi Funada, Kenji WAKAFUJI, Kohei Yoshida, Shingo Watanabe +3 more 2025-05-06
12249768 Antenna device and display antenna Ryota NIHEI, Junichi Funada, Kenji WAKAFUJI, Kohei Yoshida, Shingo Watanabe +3 more 2025-03-11
10745725 Method for producing l-amino acid by increasing fructose uptake Kosuke Yokota 2020-08-18
10670812 Optical fiber Keisuke Hirakawa, Kentaro Ichii 2020-06-02
10428359 Method for producing L-amino acid Mika Moriya, Akari Yokokawa 2019-10-01
9932614 Method for producing L-amino acid of glutamate family Seiko Hirano, Hitoshi Takayashiki, Keita Fukui 2018-04-03
9927693 Reflective mask blank and process for producing the reflective mask blank Hiroshi Hanekawa, Junichi Kageyama 2018-03-27
9897751 Multicore polarization-maintaining fiber Katsuaki Izoe, Kazuhiko Aikawa 2018-02-20
9618836 Reflective mask blank for EUV lithography, substrate with funtion film for the mask blank, and methods for their production Junichi Kageyama 2017-04-11
9506094 Method for producing L-amino acid using microorganism having increased phosphate transporter activity Seiko Hirano 2016-11-29
9400352 Polarization-maintaining optical fiber Katsuaki Izoe 2016-07-26
9296901 Composite particles, and coloring composition and resin composition using the same Hiroko Morii, Keisuke Iwasaki 2016-03-29
9239515 Reflective mask blank for EUV lithography 2016-01-19
9207529 Reflective mask blank for EUV lithography, and process for its production Takeru Kinoshita, Masaki Mikami 2015-12-08
9097976 Reflective mask blank for EUV lithography Kazunobu Maeshige, Toshiyuki Uno 2015-08-04
9086629 Substrate with conductive film, substrate with multilayer reflective film and reflective mask blank for EUV lithography Kazunobu Maeshige, Toshiyuki Uno 2015-07-21
8958677 Polarization-maintaining optical fiber Katsuaki Izoe, Yutaka Endoh, Kazuhiko Aikawa, Manabu Kudoh 2015-02-17
8956787 Reflective mask blank for EUV lithography and process for producing the same Toshiyuki Uno 2015-02-17
8927181 Reflective mask blank for EUV lithography 2015-01-06
8873915 Low-loss optical fiber over wide wavelength range and method of manufacturing the same Kazuhiko Aikawa, Masahiro Asano, Masami Miyachi, Manabu Kudoh 2014-10-28
8828627 Reflective mask blank for EUV lithography and reflective mask for EUV lithography 2014-09-09
8641274 Polarization-maintaining fiber and optical fiber sensor using same Koji Omichi, Yoshihiro Terada, Yutaka Endoh, Katsuaki Izoe, Kazuhiko Aikawa +1 more 2014-02-04
8557330 Manufacturing method of soft magnetic material and manufacturing method of dust core Toru Maeda, Naoto Igarashi, Haruhisa Toyoda, Seiji Ishitani, Hiroko Morii 2013-10-15
8512987 Method of producing L-amino acid Yuri Nagai, Takuji Ueda, Yoshihiro Usuda, Kazuhiko Matsui 2013-08-20
8323725 Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material Toru Maeda, Naoto Igarashi, Haruhisa Toyoda, Hirokazu Kugai, Hiroko Morii +1 more 2012-12-04