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For the Inventor, By the Inventor

Tokyo, Japan

Ltt Bio-Pharma Co., Ltd.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 45.5


Forward Citations = 15

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21 inventors (with patents filed for the assignee):

goldMedal Toru Mizushima (5 out of 5 patents)

silverMedal Naoki Yamakawa (3 out of 3 patents)

bronzeMedal Yutaka Mizushima (3 out of 25 patents)

4.  Tohru Mizushima (2 out of 2 patents)

5.  Hongxing Liu (2 out of 2 patents)

6.  Yoshinari Okamoto (2 out of 2 patents)

7.  Tsutomu Ishihara (2 out of 4 patents)

8.  Yasunobu Yamashita (1 out of 33 patents)

9.  Masami Otsuka (1 out of 1 patent)

10.  Masami Ohtsuka (1 out of 1 patent)

11.  Hideo Nomoto (1 out of 3 patents)

12.  Toshiaki Nakayama (1 out of 1 patent)

13.  Maki Murahashi (1 out of 1 patent)

14.  Michio Kimura (1 out of 1 patent)

15.  Tomoko Eto (1 out of 1 patent)


11 patents:

1. 12385017 - Acute respiratory distress syndrome therapeutic agent (2025-08-12),
2. 12098129 - Pharmaceutical composition for treating fibrosis (2024-09-24),
3. 10155755 - Quinuclidine derivative (2018-12-18),
4. 9539248 - Agent for ameliorating chronic obstructive pulmonary disease (2017-01-10),
5. 9221786 - 2-fluorophenyl propionic acid derivatives (2015-12-29),
6. 9161986 - [object Object] (2015-10-20),
7. 8916206 - Nanoparticles containing water-soluble non-peptide low-molecular weight drug (2014-12-23),
8. 8431614 - Loxoprofen derivative and pharmaceutical preparation containing the same (2013-04-30),
9. 7700336 - Lecithinized superoxide dismutase composition and a process for its production (2010-04-20),
10. 7642230 - Zinc-containing sustained-release composition, its preparation, and method for producing the same (2010-01-05),
11. 6800607 - Modified BDNF (2004-10-05),
Company Overview
Ltt Bio-Pharma Co., Ltd. is a Tokyo-based company specializing in the development and manufacturing of innovative biopharmaceuticals. The organization focuses on advanced therapeutic solutions, particularly in the fields of oncology and immunology. With a commitment to enhancing patient care, Ltt Bio-Pharma leverages cutting-edge research and technology to create effective treatments that address unmet medical needs. The company's strategic initiatives aim to expand its global footprint while fostering collaborations in the biopharmaceutical sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

11 Patents

#1,810 in Tokyo

#4,142 in Japan

#51,831 in the World

Tokyo, JP
Tokyo, Japan

Ltt Bio-Pharma Co., Ltd.

Forward Citations = 15

21 inventors:

goldMedal Toru Mizushima (5 out of 5 patents)

silverMedal Naoki Yamakawa (3 out of 3 patents)

bronzeMedal Yutaka Mizushima (3 out of 25 patents)

4.  Tohru Mizushima (2 out of 2 patents)

5.  Hongxing Liu (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ltt Bio-Pharma Co., Ltd.. Retrieved from https://idiyas.com/company/ltt-bio-pharma-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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