Masayuki Miyawaki — 78 Patents at Iris Ohyama

Masayuki Miyawaki has been granted 78 US patents while listed as an inventor at Iris Ohyama. The first was granted in 2003 and the most recent in November 2025. Masayuki Miyawaki ranks #23,712 of 4,157,543 US inventors in our database (top 0.57%). Patent records list Masayuki Miyawaki in Kakuda, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 78 patents

Patent #	Title	Co-Inventors	Date
D1101917	Air cleaner	—	2025-11-11
D1100163	Humidifying air cleaner	Yuna Miyamoto	2025-10-28
D1044546	Pressure cooker	Yuna Hamazaki	2024-10-01
D930259	Pet kennel	Susumu Kobayashi, Masahiro Yoshida	2021-09-07
D927099	Dryer	Takuya Abe, Hideki Yamamoto	2021-08-03
D927100	Dryer	Takuya Abe	2021-08-03
D916388	Panel for a pet playpen	Shunya Abe	2021-04-13
D916387	Panel for a pet playpen	Shunya Abe	2021-04-13
D907757	Electric fan	—	2021-01-12
D907181	Futon warmer	Masayuki Kosaka	2021-01-05
D897021	Work light	—	2020-09-22
D897020	Work light	—	2020-09-22
D886974	Air humidifier	—	2020-06-09
D886973	Air humidifier	—	2020-06-09
D887088	Pet carrier	Wakana Tajima	2020-06-09
D886399	Clothes dryer	—	2020-06-02
D885872	Hose reel	Kohei Sato, Masahiro Yoshida	2020-06-02
D886400	Vacuum cleaner head	—	2020-06-02
D881491	Futon dryer	—	2020-04-14
D881490	Futon dryer	—	2020-04-14
D881489	Futon dryer	—	2020-04-14
D872396	Vacuum cleaner	Shohei Tokoi, Takuya Abe	2020-01-07
D871825	Rice cooker	—	2020-01-07
D871637	Worklight	Shohei Tokoi	2019-12-31
D862974	Electric griddle	—	2019-10-15

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