Kazuya Ohtani — 9 Patents at Advantest

Kazuya Ohtani has been granted 9 US patents while listed as an inventor at Advantest. The first was granted in 1993 and the most recent in July 2025. Kazuya Ohtani ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Kazuya Ohtani in Tokyo, JP.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12372549	Test carrier and carrier assembling apparatus	Toshiyuki Kiyokawa	2025-07-29
12276676	Test carrier and carrier assembling apparatus	Toshiyuki Kiyokawa	2025-04-15
12140610	Test carrier and carrier assembling apparatus	Toshiyuki Kiyokawa	2024-11-12
11906548	Test carrier and carrier assembling apparatus	Toshiyuki Kiyokawa	2024-02-20
11531043	Test carrier and carrier assembling apparatus	Toshiyuki Kiyokawa	2022-12-20
7838156	Thickener for alkaline battery and alkaline battery	Takeaki Yamaguchi	2010-11-23
7579115	Gelling agent for alkaline battery and alkaline battery	Takeaki Yamaguchi	2009-08-25
7470738	Non-aqueous absorbent and use thereof	Takashi Sumiya, Takeaki Yamaguchi, Youji Fujiura	2008-12-30
5269950	Textile treating compositions	Kunio Iwamoto, Makoto Inui, Masaki Iwafuji, Ryoichi Fukui	1993-12-14