AH

Akira Hirano

NT NTT: 38 patents #31 of 4,871Top 1%
SC Soko Kagaku Co.: 21 patents #1 of 21Top 5%
NE Nec: 8 patents #1,742 of 14,502Top 15%
AC Asahi Glass Co.: 8 patents #241 of 2,251Top 15%
OC Osaka Gas Co.: 8 patents #19 of 689Top 3%
AG Agc: 6 patents #122 of 954Top 15%
FI Fujifilm Business Innovation: 4 patents #1,993 of 5,238Top 40%
LC Liquid Gas Co.: 4 patents #1 of 14Top 8%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
NC Nikkiso Co.: 4 patents #53 of 287Top 20%
NC Nippon Electric Co.: 2 patents #117 of 792Top 15%
KO Konica: 2 patents #962 of 1,958Top 50%
AC Anzen Motor Car Co.: 2 patents #3 of 16Top 20%
CC Chugoku Electric Power Co.: 2 patents #24 of 143Top 20%
DA Deutsche Telekom Ag: 1 patents #262 of 773Top 35%
KC Kobayashi Pharmaceutical Co.: 1 patents #50 of 117Top 45%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
DE Denso: 1 patents #6,940 of 11,792Top 60%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #12,403 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 1–25 of 108 patents

Patent #TitleCo-InventorsDate
12419142 Nitride semiconductor ultraviolet light emitting element Yosuke Nagasawa 2025-09-16
12419139 Nitride semiconductor ultraviolet light-emitting element and production method therefor Yosuke Nagasawa 2025-09-16
12328974 Nitride semiconductor ultraviolet light-emitting element and manufacturing method thereof Yosuke Nagasawa 2025-06-10
12324279 Nitride semiconductor ultraviolet light-emitting element Yosuke Nagasawa 2025-06-03
12170607 Transmission apparatus, transmission system and delay adjustment method Kei Kitamura, Fumikazu INUZUKA, Masahito Tomizawa, Takuya Ohara 2024-12-17
11923862 Transmission apparatus and transmission system Fumikazu INUZUKA, Kei Kitamura, Masahito Tomizawa, Takuya Ohara 2024-03-05
11916685 Transmission apparatus and transmission method Kei Kitamura, Fumikazu INUZUKA, Masahito Tomizawa, Takuya Ohara 2024-02-27
11898811 Heat exchanger Taichi Asano 2024-02-13
11902137 Service path failure location estimation method, apparatus, and program Takuya Oda, Shokei Kobayashi 2024-02-13
11876670 Diagnostic apparatus Takuya Oda, Shokei Kobayashi 2024-01-16
11853101 Adaptation apparatus Takuya Oda, Shokei Kobayashi 2023-12-26
11840115 Axle structure Kazunori Ogawa 2023-12-12
11731900 Glass and laminated glass Shunsuke SADAKANE, Ryota Nakamura 2023-08-22
11581988 Transmitting apparatus, receiving apparatus, and transmission system Takafumi Tanaka, Tetsuro Inui, Yoshiaki Yamada 2023-02-14
11546064 Optical transmission system and transmission mode selecting method Tetsuro Inui, Hideki Nishizawa, Seiji Okamoto, Shokei Kobayashi, Fumikazu INUZUKA +4 more 2023-01-03
11516073 Malfunction point estimation method and malfunction point estimation apparatus Takuya Oda, Shokei Kobayashi 2022-11-29
D959685 Therapeutic eye mask Tetsuro Juta, Koudai Okada, Shuichi Hibi 2022-08-02
11342990 State estimating device and communication system Seiki Kuwabara, Wataru Kawakami, Hideki Nishizawa, Seiji Okamoto, Shokei Kobayashi +4 more 2022-05-24
11217726 Nitride semiconductor ultraviolet light-emitting element Yosuke Nagasawa, Shigefusa Chichibu, Kazunobu Kojima 2022-01-04
11165002 Light-emitting device Yosuke Nagasawa, Masamichi Ippommatsu, Ko Aosaki, Yuki Suehara, Yoshihiko Sakane 2021-11-02
11165497 Optical transmission system and communication condition selection method Fumikazu INUZUKA, Shokei Kobayashi, Wataru Kawakami, Tetsuro Inui, Seiki Kuwabara +5 more 2021-11-02
11159242 Optical transmitter Hiroto Kawakami 2021-10-26
11152543 Nitride semiconductor light-emitting element Yosuke Nagasawa 2021-10-19
11108208 Optical amplification system and optical amplification method Takuya Oda, Tetsuro Inui, Wataru Imajuku, Shoukei Kobayashi, Takafumi Tanaka +2 more 2021-08-31
11107961 Ultraviolet light-emitting device, method for manufacturing ultraviolet light-emitting device and method for manufacturing ultraviolet light-emitting module Yosuke Nagasawa, Masamichi Ippommatsu, Ko Aosaki, Yuki Suehara, Yoshihiko Sakane 2021-08-31