Inventor
Katsutoshi Takahashi
Inventor
Tokyo, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium18%
C07DHeterocyclic compounds9%
C07HSugars9%
C07KPeptides9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A61KPreparations for medical, dental or toiletry purposes5%
C07CAcyclic or carbocyclic compounds5%
H04NPictorial communication, e.g. television5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
PatentTitleYear
11,122,331Receiving device, transmitting device, and data processing method202111,082,727Reception apparatus, reception method, transmission apparatus, and transmission method for indicating presence or absence of signaling information in a payload of a packet202111,057,686Transmission device, transmission method, reception device, and reception method20215,747,502'Process for preparing benzo›c!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agents'19985,214,048'Oxetanocins'19935,179,084'Antiviral phosphoric acid esters of oxetanocins'19935,128,493'Platinum complexes'19925,068,376'Novel platinum complexes'19915,041,447'Oxetanocin-related compounds and pharmaceutical compositions containing them'19914,987,246'Novel platinum complexes'19914,956,504'Novel spergualin-related compounds and process for producing the same'19904,921,984'Novel platinum complexes'19904,864,043'Platinum complexes'19894,861,905'Platinum complexes'19894,824,955'Selenium oxy chloride-pyridine or bipyridine complexes'19894,808,703'Novel 3-(4\'-aminobutylamino) propylaminobleomycin derivatives'19894,737,589'Platinum Complexes'19884,607,114'Novel platinum complexes'19864,568,490'Aminopropylaminobleomycin derivatives and process for preparation thereof'19864,556,735'Spergualin-related compounds having a phenylene group as well as a process for producing the same'19854,537,880'Aminopropylaminobleomycin derivatives and process for preparation thereof'19854,529,549'Spergualin-related compounds and process for the preparation thereof'19854,500,452'(Amido)N-substituted bleomycins, salts thereof and process for preparation thereof'19854,472,304'(Amido)N-substituted bleomycins, salts thereof and process for preparation thereof'19844,327,081'Method of enhancing absorption of antitumor agent into gastro-intestinal tumor site and orally administrable antitumor compositions therefor'19824,273,761'Method of enhancing absorption of antitumor agent into gastrointestinal tumor site and orally administrable antitumor compositions therefor'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1998Patents assigned to NIPPON KAYAKU KK (17)· patent assignee history
1981–1998Based in Tokyo, JP· patent location history
1985–1989Patents assigned to MICROBIAL CHEM RES FOUND (5)· patent assignee history
1990Patents assigned to ZAIDAN HOJIN BISEIBUTSU (1)· patent assignee history
2021Patents assigned to SATURN LICENSING LLC (2)· patent assignee history
2021Patents assigned to SONY SEMICONDUCTOR SOLUTIONS CORP (1)· patent assignee history
2021Based in Chiba-shi, JP· patent location history
2021Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KAYAKU KK | 17 | 1981–1998 |
| MICROBIAL CHEM RES FOUND | 5 | 1985–1989 |
| SATURN LICENSING LLC | 2 | 2021 |
| SONY SEMICONDUCTOR SOLUTIONS CORP | 1 | 2021 |
| ZAIDAN HOJIN BISEIBUTSU | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 23 | 1981–1998 |
| Chiba-shi, JP | 2 | 2021 |
| Chiba, JP | 1 | 2021 |