SH

Shigeo Hayashi

Sumitomo Electric Industries: 30 patents #489 of 21,551Top 3%
OC Olympus Optical Co.: 21 patents #97 of 2,334Top 5%
Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
NJ Nuvoton Technology Corporation Japan: 14 patents #2 of 222Top 1%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
KT Kabushiki Kaisha Toshiba: 9 patents #3,402 of 21,451Top 20%
AT Autonetworks Technologies: 5 patents #322 of 1,079Top 30%
NI Nidec: 5 patents #200 of 976Top 25%
SS Sumitomo Wiring Systems: 5 patents #684 of 2,615Top 30%
TC Totoku Electric Co.: 5 patents #3 of 92Top 4%
OC Oji Paper Co.: 4 patents #36 of 423Top 9%
MC Murata Manufacturing Co.: 4 patents #1,804 of 5,295Top 35%
NC New Oji Paper Co: 4 patents #1 of 139Top 1%
OL Olympus: 3 patents #1,323 of 3,097Top 45%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
TC Toshiba Client Solutions Co.: 2 patents #9 of 84Top 15%
SO Sony: 2 patents #12,963 of 25,231Top 55%
JC Jms Co.: 2 patents #49 of 184Top 30%
JC Japan Servo Co.: 2 patents #48 of 161Top 30%
HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
NU National University Corporation Nagoya University: 1 patents #247 of 782Top 35%
NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
Overall (All Time): #7,714 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 1–25 of 135 patents

Patent #TitleCo-InventorsDate
12413156 Capacitor balancing control in an HVDC MMC Shuhei Fujiwara, Yoshiyuki Kono, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii 2025-09-09
12308763 Power conversion device Shuhei Fujiwara, Yoshiyuki Kono, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii 2025-05-20
12294291 Power conversion system Takeshi Kikuchi 2025-05-06
12273045 Power conversion device with individual cell and arm balancing Shuhei Fujiwara, Yoshiyuki Kono, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii 2025-04-08
12255278 Semiconductor light emitting element and semiconductor light emitting device Yasumitsu Kunoh, Masahiro Kume, Masanori HIROKI, Keimei Masamoto, Toshiya Fukuhisa 2025-03-18
12256580 Semiconductor device Toshiya Fukudome, Koji Nakatsu 2025-03-18
12255546 Power conversion device that converts electric power between DC circuit and AC circuit Katsuya Ota 2025-03-18
12087897 Semiconductor device Mitsuaki Oya, Masanori HIROKI, Keimei Masamoto 2024-09-10
12081112 Power conversion device Takuya Kajiyama, Toshiyuki Fujii, Shuhei Fujiwara, Ryosuke Uda 2024-09-03
12002914 Semiconductor light-emitting element and semiconductor light-emitting device Yasutomo MITSUI, Yasumitsu Kunoh, Masanori HIROKI, Masahiro Kume, Masanobu Nogome 2024-06-04
11929353 White light emitting device Hidesato Hisanaga, Tetsuya Kamada, Takashi Kuwaharada 2024-03-12
11784291 Light-emitting device Masami Obara 2023-10-10
11742461 Semiconductor device Masanori HIROKI, Kenji Nakashima, Toshiya Fukuhisa, Keimei Masamoto, Atsushi Yamada 2023-08-29
11722069 Power conversion system Kazuyori TAHATA, Fuminori Nakamura 2023-08-08
11629827 Illumination device and light-emitting module Atsuhiro Hori, Kenji Nakashima, Yasutoshi Kawaguchi, Hidemi Takeishi, Masanori Michimori 2023-04-18
11569424 Semiconductor device Mitsuaki Oya, Masanori HIROKI, Keimei Masamoto 2023-01-31
11417805 Semiconductor device Masanori HIROKI, Kenji Nakashima, Toshiya Fukuhisa, Keimei Masamoto, Atsushi Yamada 2022-08-16
11309787 Power conversion device Yoshiyuki Kono, Shuhei Fujiwara, Ryosuke Uda 2022-04-19
11258001 Semiconductor light-emitting element and semiconductor light-emitting device Yasutomo MITSUI, Yasumitsu Kunoh, Masanori HIROKI, Masahiro Kume, Masanobu Nogome 2022-02-22
11211531 Light-emitting device Masami Obara 2021-12-28
11183615 Semiconductor device Masanori HIROKI, Kenji Nakashima, Toshiya Fukuhisa, Keimei Masamoto, Atsushi Yamada 2021-11-23
11181245 Light source device and light projecting device Ryota Yuge, Tooru Aoyagi, Tetsuya Kamada 2021-11-23
11159092 Power conversion device Tatsuya Takahashi 2021-10-26
10992219 Power conversion device Tatsuya Takahashi 2021-04-27
10926721 Control system Hiroki Hirai, Toshiaki Kakii, Mitsuaki Nishie 2021-02-23