TOP/INSIGHTS
Insights
Making intellectual property open.
On YouTube, in books, on social media and in interviews, we have published what we think about IP practice under our own names. Before you ask us for anything, you can check here what kind of firm we are.
Watch & Listen
IP practice, in video and audio.
YOUTUBE — IPX CHANNEL
IPX Channel
How to think about IP practice, explanations of the system, and IP for startups. We deliver in video the practical points that are hard to convey in text.
View the channelPrograms our management appears on
YOUTUBE
IP Practice Online
A YouTube program where practitioners talk about IP practice today. Masamune OSHITANI, Founding Partner (CEO), is a regular.
Watch the programRADIO / YOUTUBE
Patent Attorney Okkun's Idea Revolution
An entertainment program that brings IP closer. Kohei OKUMURA, Founding Partner (COO/CTO), hosts it on Kawasaki FM and YouTube.
Go to the programBooks & Writing
Books
From explanations of the system to practical thinking on startups and IP. Our knowledge is also set down in book form.
Interviews & Media
Interviews and media coverage
We have also spoken about our thinking and our work in interviews with various media. (Newest first)
2026.02 · Legal Job Magazine
The way of working chosen after 26 years as an administrator
Mari HASHIMOTO (Patent Administrator)
Read the article2025.05 · Hatsumeijuku, “The Director's Room”
Lifting the IP industry with the power of crossing borders
Kohei OKUMURA (Founding Partner, COO/CTO) | Conversation
Read the conversation2025.03 · Chizai Oshigoto Navi
From researcher to deep tech IP
Hiroki SUMI (Patent Attorney)
Read the article2024.09 · THE NEXT GENERATION
“Speed is power”: how we started, and where we are going
Masamune OSHITANI (Founding Partner, CEO)
Read the article2024.03 · Chiteki Cafe (radio)
Current affairs × IP talk
Masamune OSHITANI (Founding Partner, CEO) | Guest appearance
Listen to the show2023.10 · Tokkyo.Ai
Teaching methods and the key points of software patents
Kohei OKUMURA (Founding Partner, COO/CTO)
Read the article2023 · Chizai HR
In-house IT systems, and how to build a team
Masamune OSHITANI (Founding Partner, CEO)
Read the article2022.12 · Toreru Media
How to run IP digital transformation well
Kohei OKUMURA (Founding Partner, COO/CTO) | Tomorrow's IP Vol.14
Read the article2019.02 · TACNEWS
The patent attorney of a new era
Masamune OSHITANI and Kohei OKUMURA
Read the article2018.08 · ONLY STORY
The founding story
Masamune OSHITANI (Founding Partner, CEO)
Read the article
Follow the People
From the firm, and from each specialist.
Alongside the firm's official accounts, what we publish always comes from people you can see. Members also post from their own accounts what they think about in daily practice.
X (FORMERLY TWITTER)
Official
IPX Patent Partners
@IPX55669653
Follow →X (FORMERLY TWITTER)
Founding Partner (CEO)
Masamune OSHITANI
@masamune013
Follow →X (FORMERLY TWITTER)
Founding Partner (COO/CTO)
Kohei OKUMURA
@pado3910
Follow →FACEBOOK
Official
IPX Patent Partners
IPX.patent.partners
View the page →FACEBOOK
Founding Partner (CEO)
Masamune OSHITANI
masamune.oshitani
Follow →FACEBOOK
Founding Partner (COO/CTO)
Kohei OKUMURA
kohei.okumura
Follow →NOTE
Official
IPX Patent Partners
note.com/ipx_channel
Read the articles →NOTE
Founding Partner (CEO)
Masamune OSHITANI
note.com/masamune013
Read the articles →NOTE
Founding Partner (COO/CTO)
Kohei OKUMURA
note.com/__okkun
Read the articles →X (FORMERLY TWITTER)
Associate Patent Attorney / Public Relations
Yumiko KANADA
@omochi_benrishi
Follow →PODCAST (SPOTIFY)
Hosted by Yumiko KANADA
Manmaru Omochi
A casual radio show that brings patent attorneys closer
Listen to the show →NOTE
Associate Patent Attorney / Public Relations
Yumiko KANADA
note.com/omochi_benrishi
Read the articles →