KH

Katsunori Hayashi

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HS Hitachi Tohbu Semiconductor: 4 patents #42 of 223Top 20%
EL Electroplating Engineers Of Japan Limited: 2 patents #12 of 29Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HC Hitachi Computer Peripherals Co.: 2 patents #20 of 133Top 20%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
IH Ihi: 1 patents #624 of 1,178Top 55%
AC Akebono Brake Industry Co.: 1 patents #169 of 376Top 45%
Overall (All Time): #134,647 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12372024 Turbocharger 2025-07-29
12276226 Electric turbocharger 2025-04-15
11939887 Turbocharger with nozzle ring Kengo IKEDA 2024-03-26
11913373 Variable capacity turbocharger Yuji Kobayashi, Takafumi Ueda, Kazuhiro Onitsuka, Fumihiko FUKUHARA 2024-02-27
11846295 Turbocharger 2023-12-19
11840942 Variable capacity turbocharger 2023-12-12
11661886 Variable capacity turbocharger 2023-05-30
11572823 Variable capacity turbocharger Yuji Kobayashi, Takafumi Ueda, Kazuhiro Onitsuka, Fumihiko FUKUHARA 2023-02-07
11162381 Turbocharger Hidenori Kojima, Koutarou Itou, Yoshitaka Iwasa, Takafumi Ueda, Kenichi Segawa 2021-11-02
10301734 Non-cyanide based Au—Sn alloy plating solution 2019-05-28
9354861 Wireless communication terminal, software update system, and software update method Shigemasa Matsubara, Katsumi Okuda, Hajimu Hirai, Yukio Hayashi, Yasuaki Kamimura +4 more 2016-05-31
8656036 Distribution method and distribution system Joji Maruyama, Shinichi Hirata, Takahiro Koharagi, Takuji Furusawa, Hiroaki Kawasumi +2 more 2014-02-18
7667918 Disk array device Hiroshi Suzuki, Tomokazu Yokoyama, Toshiyuki Nagamori 2010-02-23
7548502 Power backup method for disk storage device 2009-06-16
7254742 Disk array device and battery output control method for disk array device 2007-08-07
7170273 Power-supply device and hard disk drive using same Takashi Sase, Akihiko Kanouda 2007-01-30
7038984 Power backup method for disk array storage apparatus 2006-05-02
6879137 Power-supply device Takashi Sase, Koji Tateno, Akihiko Kanouda, Shinichi Yoshida 2005-04-12
6798180 Power-supply device Takashi Sase, Koji Tateno, Akihiko Kanouda, Shinichi Yoshida 2004-09-28
6767392 Displacement gold plating solution Yoshimasa Hirose 2004-07-27
6643152 DC power supply device Norikazu Tokunaga, Kenichi Onda, Takeshi Onaka, Satoru Masuyama, Ryouhei Saga 2003-11-04
6507507 DC power supply device Norikazu Tokunaga, Kenichi Onda, Takeshi Onaka, Satoru Masuyama, Ryouhei Saga 2003-01-14
6496395 Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply Norikazu Tokunaga, Kenichi Onda, Tadashi Takahashi, Takeshi Onaka, Ryohei Saga 2002-12-17
6381152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device Tadashi Takahashi, Kenichi Onda, Norikazu Tokunaga, Takeshi Onaka, Ryouhei Saga 2002-04-30
5768117 Power supply system for supplying electric power to a load through plural converters Tadashi Takahashi, Kenichi Onda, Akihiko Kanouda, Masayoshi Sato, Hideaki Horie 1998-06-16