This is the 10230th most frequent Japanese word.
隆一
"隆一" (Ryuichi) is a Japanese male given name.
In this sentence, '隆一' is used as a person's name, indicating an individual.
隆一さんは明日の会議に参加します。
Ryuichi will participate in tomorrow's meeting.
Here, '隆一' refers to a person's name and is used in possessive form to associate ownership of the paintings to Ryuichi.
隆一の絵はとても美しいです。
Ryuichi's paintings are very beautiful.
In this case, '隆一' is specifically highlighted as a given name, indicating its usage as a part of identification.