IP Library › Granted Patent US 1,121,243
Granted Patent S1
US 1,121,243 · App. 35/523,113 · Granted Mar 31, 2026

Helmet

Inventor: Hiroshi Ota (Higashi-Osaka, JP)
Assignee: OGK KABUTO CO., LTD.
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Quick Facts
Patent No.
US 1,121,243
App. No.
35/523,113
Granted
Mar 31, 2026
Kind
S1
Claims (1)

The ornamental design for a helmet as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2025
From: OTA, HIROSHI
To: OGK KABUTO CO., LTD.
Reel/Frame 069737/0146 →
Priority Claims (1)
JP 2023-010924 D · May 30, 2023 · national
References Cited (32)
US 4653123A · Broersma · 1987 [cited by examiner]
US D293496S · Gentes · 1987 [cited by examiner]
US 4903350A · Gentes · 1990 [cited by examiner]
US 4995117A · Mirage · 1991 [cited by examiner]
US D316165S · Gentes · 1991 [cited by examiner]
US 5023958A · Rotzin · 1991 [cited by examiner]
US D340544S · Kamata · 1993 [cited by examiner]
US D347711S · Egger · 1994 [cited by examiner]
US D348750S · Egger · 1994 [cited by examiner]
US D351684S · Jeng · 1994 [cited by examiner]
US 5426792A · Murasko · 1995 [cited by examiner]
US D361410S · Ho · 1995 [cited by examiner]
US 8438668B2 · Garneau · 2013 [cited by examiner]
US D718001S · Garneau · 2014 [cited by examiner]
US 9370215B1 · Straus · 2016 [cited by examiner]
US 10188167B2 · Kass · 2019 [cited by examiner]
US D853041S · Melegari · 2019 [cited by examiner]
US D1030077S · Ou · 2024 [cited by examiner]
US D1083308S · Hallander · 2025 [cited by examiner]
US 20110261453A1 · Felt · 2011 [cited by examiner]
US 20130340151A1 · Bradley · 2013 [cited by examiner]
US 20140298570A1 · Cobb · 2014 [cited by examiner]
US 20150272254A1 · Hamel · 2015 [cited by examiner]
US 20160366968A1 · Kass · 2016 [cited by examiner]
US 20230346066A1 · Davis · 2023 [cited by examiner]
KR 3020247000011 · 2023 [cited by examiner]
WO WODM233589 · 2024 [cited by examiner]
OGK aero SP4 carbon helmet (online), no date available. Retrieved from Internet Sep. 3, 2025, URL: https://alexscycle.com/products/ogk-aero-sp4-carbon-helmet?srsltid=AfmBOooTE9vAcdKgBjmqWc7_hcO7xZSWJu27OgX27_CLNV13aLJnX… [cited by examiner]
Procen Road Cycling Helmet in Hydrogen White (online), dated Jun. 20, 2024. Retrieved Sep. 4, 2024, URL: https://web.archive.org/web/20240620191516/https://poc.com/en-us/product/procen-hydrogen-white (4 pages) (Year: 20… [cited by examiner]
Ironman Ekoi Veloce Helmet Review (online), dated Oct. 11, 2024. Retrieved Sep. 4, 2025, URL: https://www.ironman.com/news/ironman-ekoi-veloce-helmet-review (2 pages) (Year: 2024). [cited by examiner]
Sports Performance Bulletin-Tech-Cycling aerodynamics use (online), no date available. Retrieved from Internet Sep. 4, 2025, URL: https://www.baksales.shop/?path=page/ggitem&ggpid=3256002 (1 page). [cited by examiner]
Met Drone Wide Body helmet (online), no date available. Retrieved from Internet Sep. 4, 2025, URL: https://www.mtbiker.shop/shop/helmets-and-glasses/helmets/road-helmets/met-drone-wide-body-helmet-white-iridescent-p2622… [cited by examiner]