TY

Takashi Yamakawa

Mitsubishi Electric: 43 patents #197 of 25,717Top 1%
Yamaha: 10 patents #242 of 2,001Top 15%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
IC Ibiden Co.: 2 patents #335 of 730Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
NT NTT: 1 patents #2,911 of 4,871Top 60%
KU Kurimoto: 1 patents #46 of 113Top 45%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #33,613 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 1–25 of 65 patents

Patent #TitleCo-InventorsDate
12015362 Heat pump apparatus, air conditioner, and refrigerator Shunsuke Kubota, Keisuke Uemura 2024-06-18
11956926 Outdoor unit Kenji Iwazaki, Koichi Arisawa, Takuya Shimomugi, Keisuke Mori 2024-04-09
11906177 Outdoor unit Koichi Arisawa, Takuya Shimomugi, Kenji Iwazaki, Keisuke Mori 2024-02-20
11909299 Power converting apparatus, motor driving apparatus, and air conditioner Koichi Arisawa 2024-02-20
11879648 Outdoor machine and air conditioner Takuya Shimomugi, Keisuke Mori, Koichi Arisawa, Kenji Iwazaki 2024-01-23
11863099 Air conditioner and driving device Koichi Arisawa, Kenji Iwazaki, Keisuke Uemura, Shinya TOYODOME 2024-01-02
11683001 Motor driving apparatus Kenji Iwazaki, Koichi Arisawa, Keisuke Uemura, Shinya TOYODOME 2023-06-20
11658806 Identity-based hash proof system configuration apparatus, identity-based encryption apparatus, identity-based hash proof system configuration method and program Ryo Nishimaki 2023-05-23
11509251 Motor driving device and air conditioner Koichi Arisawa, Kenji Iwazaki, Keisuke Uemura, Atsushi Tsuchiya 2022-11-22
11451149 Power converter Kenji Iwazaki, Koichi Arisawa, Takuya Shimomugi, Satoru Ichiki, Ikuro Suga 2022-09-20
11398790 Air conditioner Koichi Arisawa 2022-07-26
11368118 Motor driving device and air conditioner Keisuke Uemura, Kenji Iwazaki, Koichi Arisawa, Atsushi Tsuchiya 2022-06-21
11297419 Array microphone and sound collection method Yuji Ikegaya 2022-04-05
11189439 Power converting apparatus, motor drive apparatus, and air conditioner Shigeo Umehara 2021-11-30
11101728 Power converting apparatus, motor drive control apparatus, blower, compressor, and air conditioner Shinya TOYODOME, Shigeo Umehara 2021-08-24
11031895 Motor drive system and air conditioner Tomohiro KUTSUKI, Keiichiro SHIZU, Kazunori Hatakeyama, Takayuki Kato 2021-06-08
11005404 Motor driving apparatus Shinya TOYODOME, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki 2021-05-11
11005410 Motor driving apparatus Kenji Iwazaki, Koichi Arisawa, Keisuke Uemura, Shinya TOYODOME 2021-05-11
10938318 AC-DC converting apparatus, motor drive control apparatus, blower, compressor, and air conditioner Kenji Iwazaki, Shigeo Umehara 2021-03-02
10869123 Array microphone and sound collection method Yuji Ikegaya 2020-12-15
10833598 Power conversion device, motor drive control device, blower, compressor, and air conditioner Shigeo Umehara, Takuya Shimomugi 2020-11-10
10736476 Electric vacuum cleaner and hand dryer Yuji Takayama, Yosuke Shinomoto 2020-08-11
10710186 Method of manufacturing impeller Esao Yamada, Kentaro Orita 2020-07-14
10686397 Motor system, motor drive device, refrigeration cycle device, and air conditioner Shigeo Umehara, Koichi Arisawa, Yosuke Shinomoto, Shinya TOYODOME 2020-06-16
10658967 Motor drive apparatus and air conditioner Yosuke Shinomoto, Takuya Shimomugi, Norikazu Ito, Keisuke Uemura 2020-05-19