Sentai Filmworks

Background
Sentai Filmworks is an anime licensing company from Houston, Texas, formed in 2008 as the successor to the then-recently-defunct ADV Films. They are known for localizing mostly contemporary anime titles to the US market such as Gintama, Clannad, Parasyte, Legend of the Galactic Heroes and others. Their titles are distributed by Section23 Films. On January 5, 2022, AMC Networks announced it had acquired Sentai Filmworks' parent company Sentai Holdings, LLC, and all its assets and subsidiaries, including HIDIVE, Anime Network, and "member interests" from the Cool Japan Fund, via its subsidiary Digital Store LLC.

1st Logo (2010-2014)
Logo: Five lines (one, one , one , one and one ) wipe in from the left on a black background. The formed line turns white and a white background expands with similar-colored glass lines moving. "sentai filmworks" appears in two lines at the center.

Technique: 3D computer animation.

Music/Sounds: None.

Availability: Uncommon. Seen on their early releases, such as Clannad and its sequel After Story. Also found on other anime home video releases by the company such as Get Backers.

2nd Logo (2014-2018?)
Logo: On a misty black background, a streak starts to swirl around the screen. This is followed by a streak, then a, , and  streak as they form a spiral shape and sparkles appear in the background. As they meet in the center, all of the mist and particles then get absorbed into the spiral before exploding into a myriad of, , and sparkles, as well as  towers of light appear. As the camera rotates, the Sentai Filmworks logo then fades in along with a reflective floor, as everything slows down and it positions itself to the center.

Technique: Glorious CGI.

Music/Sounds: Composed and designed by Bryan Leach, a dramatic fanfare with strings and bells, with a whoosh when the lines meet the light.

Availability: Seen on releases from the time.

3rd Logo (2018-)
Logo: On a black background, the white text "sentai FILMWORKS", in the same font as before, slams in from the front.

Technique: Very simple 2D animation.

Music/Sounds: A drone synth, with a slam and the crash of a gong when the text appears.

Availability: Current.